Enir collection 4. Laying concrete mixture in the structure. When washing the base with water
| Title of the document | EniR. Collection E4. Vol. 1. Buildings and industrial structures |
| Acceptance date | 05.12.1986 |
| Status | Undefined |
| Document type | ENiR (Unified Norms and Prices) |
| Document code | E4-1 |
| Developer | |
| Receiving authority | All-Union Research and Design Institute of Labor in Construction of the USSR State Construction Committee |
| Additional data | Not relevant on the territory of Ukraine due to the entry into force of DBN D.1.1-1-2000 and changes in the methodology of estimate calculations |
IN this document no links to others regulations.
Other normative documents do not refer to this document.
ENIR Collection E4 Issue 1
State Construction Committee of the USSR
GOSSTROY USSR
UNIFIED STANDARDS AND PRICES FOR CONSTRUCTION, INSTALLATION AND REPAIR WORK
Collection E4
INSTALLATION OF PREFABRICATED AND CONSTRUCTION OF MONOLITHIC REINFORCED CONCRETE STRUCTURES
Buildings and industrial structures
Moscow 1987
Approved by resolution of the State construction committee USSR, USSR State Committee for Labor and Social Issues and the Secretariat of the All-Union Central Council of Trade Unions dated December 5, 1986 No. 43/512/29-50 for mandatory use in construction, installation and repair work.
EniR. Collection E4. Installation of prefabricated and installation of monolithic reinforced concrete structures. Vol. 1. Buildings and industrial structures/Gosstroy of the USSR. - M.: Stroyizdat, 1987.
Designed for use in construction and installation, repair and construction organizations and similar organizations, as well as in divisions (teams, sections) of production associations, enterprises, organizations and institutions carrying out construction and major repairs in an economic way, transferred to new conditions for remuneration of workers in accordance with the resolution of the Central Committee of the CPSU, the Council of Ministers of the USSR and the All-Union Central Council of Trade Unions "On improving the organization wages and the introduction of new tariff rates and official salaries for workers in production sectors of the national economy."
Developed by the Center for Scientific Organization of Labor and Production Management of the Ministry of Heavy Construction of the USSR * with the participation of the head NIS Glavkrasnoyarskstroy () and the branch of the Central Scientific and Technical Center in Alma-Ata () using regulatory materials from other ministries and departments under methodological guidance and with the participation Central Bureau standards for labor in construction (CBNTS) at the All-Russian Research Institute of Labor in Construction of the USSR State Construction Committee.
* Since August 1986, the Ministry of Construction in the Urals and Western Siberia THE USSR.
The technology for carrying out the work provided for in the Collection has been agreed upon with the Central Research and Design-Experimental Institute of Organization, Mechanization and Technical Assistance to Construction (TsNIIOMTP).
Leading performer - K.F. Yarkov (TSNOT and UP).
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Introductory partSection 1. Installation of prefabricated reinforced concrete and concrete structures
Technical part
§ 4-1-1. Laying foundation blocks
§ 4-1-2. Installation of basement wall blocks
§ 4-1-3. Installation of concrete, silicate and brick blocks of building walls
§ 4-1-4. Installation of columns and capitals
§ 4-1-5. Enlarged assembly of trusses from two halves
§ 4-1-6. Laying crossbars, purlins, beams and trusses
§ 4-1-7. Laying slabs and panels of floors and coverings
§ 4-1-8. Installation of wall panels, partitions and parapet slabs
§ 4-1-9. Installation flights of stairs and laying slabs landings
§ 4-1-10. Installation of gratings and turns of stair gratings
§ 4-1-11. Laying balcony slabs
§ 4-1-12. Installation of sanitary units, ventilation blocks and waste chute pipes
§ 4-1-13. Laying timber lintels
§ 4-1-14. Installation of reinforced concrete window blocks
§ 4-1-15. Installation of sanitary cabins
§ 4-1-16. Installation of precast concrete fence elements
§ 4-1-17. Electric welding of installation joints
§ 4-1-18. Sealing joints
§ 4-1-19. Filling seams of wall panels, panels and slabs of floors and coverings
§ 4-1-20. Sealing joints in large-panel buildings with polyisobutylene mastic
§ 4-1-21. Backfilling of channels wall panels slag
§ 4-1-22. Caulking, caulking and jointing
§ 4-1-23. Installation of a cement underlying layer under wall blocks
§ 4-1-24. Sealing holes in hollow core slabs floors
§ 4-1-25. Covering building frames with asbestos-cement sheets
Section II. Construction of monolithic concrete and reinforced concrete structures
Technical part
Chapter 1. Formwork work
Technical part
§ 4-1-26. Construction of scaffolding supporting the formwork.
§ 4-1-27. Installation and disassembly wooden formwork from ready-made elements
§ 4-1-28. Construction and dismantling of formwork for the walls of tanks and bunkers
§ 4-1-29. Installation and disassembly steel formwork foundations and massifs
§ 4-1-30. Installation and dismantling of wooden plugs in concrete and reinforced concrete structures
§ 4-1-31. Installation of steel embedded parts in formwork
§ 4-1-32. Various formwork works
Chapter 2. Reinforcement work
Technical part
§ 4-1-33. Installation of reinforcing meshes and frames
§ 4-1-34. Installation and low reinforcement with separate rods
Chapter 3. Concrete work
Technical part
§ 4-1-35. Preparation concrete mixture in free-standing concrete mixers
§ 4-1-36. Supplying concrete mixture with concrete pumps
§ 4-1-37. Laying concrete mixture in a structure
§ 4-1-38. Installation of panels and electrodes for electrical heating of concrete
§ 4-1-39. Pouring concrete mixture for equipment
§ 4-1-40. Ironing concrete surfaces
§ 4-1-41. Manual placement of concrete mixture into individual structures
§ 4-1-42. Miscellaneous concrete works
Chapter 4. Reinforced concrete work in sliding formwork
Technical hour-ii
§ 4-1-43. Assembly, installation and dismantling of sliding formwork
§ 4-1-44. Installation and disassembly lifting devices sliding formwork
§ 4-1-45. Construction and dismantling of the working floor and suspended scaffolding of sliding formwork
§ 4-1-46. Installation and dismantling of pumping and distribution units and pumping stations
§ 4-1-47. Installation of embedded elements when lifting sliding formwork or dismantling them
§ 4-1-48. Laying reinforcement and concreting in slip formwork Introduction
Technical part
Section 1. Foundations and bridge supports
Chapter 1. Construction of bases and foundations of supports. Technical part
§ 4-4-1. Device crushed stone preparation in the pit
§ 4-4-2. Laying concrete mixture under water using the vertically moving pipe method
§ 4-4-3. Construction and dismantling of formwork for monolithic foundations
§ 4-4-4. Installation of reinforcing mesh and frames in monolithic foundation
§ 4-4-5. Installation and tying of foundation reinforcement from individual rods
§ 4-4-6. Laying concrete mixture in a monolithic foundation
Chapter 2. Construction of prefabricated supports. Technical part
§ 4-4-7. Installation of prefabricated supports from shell blocks
§ 4-4-8. Installing fill blocks
§ 4-4-9. Installation of supports for post-and-trestle bridges
§ 4-4-10. Installation of support posts
§ 4-4-11. Installation of support frames
§ 4-4-12. Installation of transom blocks
§ 4-4-13. Monolithization of support elements
§ 4-4-14. Installation and tension of vertical beams
§ 4-4-15. Caulking seams
§ 4-4-16. Laying concrete mixture into prefabricated support structures
Chapter 3. Construction of supports from monolithic concrete. Technical part
§ 4-4-17. Installation of support formwork
§ 4-4-18. Laying concrete mixture in monolithic structures supports
Section II. Bridge spans
Chapter 4. Integrated assembly of beams and blocks. Technical part
§ 4-4-19. Installation of blocks
§ 4-4-20. Sealing joints between blocks
§ 4-4-21. Installation and tension of beams
§ 4-4-22. Channel injection
§ 4-4-23. Sealing the ends of beams
§ 4-4-24. Installation and removal of channel formers
§ 4-4-25. Coating anchors with mortar
§ 4-4-26. Assembling blocks
§ 4-4-27. Straightening and welding of fittings during assembly and enlargement of blocks
§ 4-4-28. Reinforcement of seams - with separate rods
§ 4-4-29. Manufacturing of formwork panels
§ 4-4-30. Arrangement and dismantling of formwork when assembling blocks
§ 4-4-31. Concreting joints
§ 4-4-32. Moving Blocks
Chapter 5. Installation of beams of spans. Technical part
§ 4-4-33. Installation of steel base plates
§ 4-4-34. Installation of knurling paths
§ 4-4-35. Transverse movement of beams from the curb to the track axis
§ 4-4-36. Installation of beams on supports using a cantilever crane GEPC-130
§ 4-4-37 Installation of beams on supports using a GEK-80 crane
§ 4-4-38. Installation of beams on supports using jib cranes
§ 4-4-39. Installation of beams on supports using a cantilever-sluice crane
§ 4-4-40. Installing beams on supports using gantry cranes
§ 4-4-41. Installation of beams on supports using the AMK-20 unit
§ 4-4-42. Installation of beams on supports using T-75 trailed cranes
§ 4-4-43. Transverse movement of beams on supports
§ 4-4-44. Installing beams on supporting parts with jacks
Chapter 6. Consolidation of beams in spans. Technical part
§ 4-4-45. Consolidation of unreinforced longitudinal joints of beams on a slab
§ 4-4-46. Consolidation of reinforced longitudinal seams of beams on a slab
§ 4-4-47. Installation of reinforcement beams
§ 4-4-48. Tension of reinforcement beams in transverse channels of beams of spans
§ 4-4-49. Injecting transverse channels of beams cement mortar
§ 4-4-50. Monolithization of beams using diaphragms
§ 4-4-51. Sealing anchor niches in the slab of outer beams without diaphragms
§ 4-4-52. Sealing of beam anchors in diaphragms
Chapter 7. Wall-mounted installation. Technical part
§ 4-4-53. Installation of blocks weighing up to 20 tons
§ 4-4-54. Installation of blocks weighing up to 50 tons
§ 4-4-55. Formwork for wet joints
§ 4-4-56. Concreting wet joints
§ 4-4-57. Preparation of epoxy glue
§ 4-4-58. Applying epoxy glue to the ends of the blocks
§ 4-4-59. Installation and tension of mounting bundles for crimping glued joints
§ 4-4-60. Bundle laying
§ 4-4-61. Laying ropes
§ 4-4-62. Bundle tension
§ 4-4-63. Tension of ropes
§ 4-4-64. Consolidation of bundles and ropes
Chapter 8. Construction of the roadway. Technical part
§ 4-4-65. Installation of roadway elements for bridges and overpasses
§ 4-4-66. Installation of prefabricated railings for bridges and overpasses
§ 4-4-67. Thermoplastic waterproofing device
§ 4-4-68. Construction of the carriageway of road bridges without adhesive waterproofing
Chapter 9. Manufacturing of beams of superstructures. Technical part
§ 4-4-69. Production of loopless reinforcement bundles from high-strength wire
§ 4-4-70. Tension of loopless reinforcement beams
§ 4-4-71. Carrying reinforcement beams
§ 4-4-72. Assembly and tying of beam reinforcement cages
§ 4-4-73. Installation and tying of reinforcement for bridge structures
§ 4-4-74. Laying concrete mixture in beams of spans
§ 4-4-75. Transfer of tension force from the stops to the concrete
Chapter 10. Assembling and disassembling assembly cranes
§ 4-4-76. Sliding the installation bridge of the AMK-20 crane into the span
§ 4-4-77. Construction of crane tracks for moving cranes when installing beams of spans
§ 4-4-78. Moving cranes when wall-mounted
§ 4-4-79. Construction of crane tracks for moving cranes during suspended installation
§ 4-4-80. Pairing portal cranes
§ 4-4-81. Installation on outriggers of railway cranes
§ 4-4-82. Installation on outriggers of pneumatic-tired and truck-mounted cranes
Chapter 11. Loading, unloading and transporting beams and blocks. Technical part
§ 4-4-83. Loading and unloading blocks of composite beams of road bridges
§ 4-4-84. Loading and unloading beams of road bridge spans
§ 4-4-85. Loading and unloading sidewalk, curb and other blocks
§ 4-4-86. Loading blocks onto a boat
§ 4-4-87. Transportation of blocks and beams of road bridge spans
Section III. Culvert pipes. Technical part
Chapter 12. Construction of bases and foundations
§ 4-4-88. Preparatory layer arrangement
§ 4-4-89. Pouring the preparatory layer of the foundation base with cement mortar
§ 4-4-90. Laying rectangular blocks and pipe foundation slabs
§ 4-4-91. Laying pattern blocks
Chapter 13. Installation of prefabricated pipes
§ 4-4-92. Feeding and sorting of pipe elements on the construction site
§ 4-4-93. Installation of head blocks
§ 4-4-94. Installation of links round pipes
§ 4-4-95. Installation of links rectangular pipes
§ 4-4-96. Installation of prefabricated blocks concrete pipes
§ 4-4-97. Sealing seams
§ 4-4-98. Construction of a concrete pad
§ 4-4-99. Sealing and waterproofing seams at link joints
§ 4-4-100. Filling the sinuses of multi-point pipes with concrete
§ 4-4-101. Device painting waterproofing
§ 4-4-102. Installation of adhesive waterproofing
Chapter 14. Construction of pipes made of monolithic concrete and reinforced concrete
§ 4-4-103. Formwork of blocks and heads of rectangular pipes
§ 4-4-104. Rectangular pipe formwork
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Introductory part
Section 1.
Technical part
§ 4-1-2. Installation of basement wall blocks
§ 4-1-3. Installation of concrete, silicate and brick blocks of building walls
§ 4-1-5. Enlarged assembly of trusses from two halves
§ 4-1-6. Laying crossbars, purlins, beams and trusses
§ 4-1-7. Laying slabs and panels of floors and coverings
§ 4-1-8. Installation of wall panels, partitions and parapet slabs
§ 4-1-9. Installation of flights of stairs and laying of landing slabs
§ 4-1-10. Installation of gratings and turns of stair gratings
§ 4-1-11. Laying balcony slabs
§ 4-1-12. Installation of sanitary units, ventilation blocks and waste chute pipes
§ 4-1-13. Laying timber lintels
§ 4-1-14. Installation of reinforced concrete window blocks
§ 4-1-15. Installation of sanitary cabins
§ 4-1-16. Installation of precast concrete fence elements
§ 4-1-17. Electric welding of installation joints
§ 4-1-18. Sealing joints
§ 4-1-19. Filling seams of wall panels, panels and slabs of floors and coverings
§ 4-1-20. Sealing joints in large-panel buildings with polyisobutylene mastic
§ 4-1-21. Filling the channels of wall panels with slag
§ 4-1-22. Caulking, caulking and jointing
§ 4-1-23. Installation of a cement base layer for wall blocks
§ 4-1-24. Sealing holes in hollow core slabs
§ 4-1-25. Covering building frames with asbestos-cement sheets
Section II. Construction of monolithic concrete and reinforced concrete structures
Technical part
Chapter 1. Formwork work
Technical part
§ 4-1-26. Construction of scaffolding supporting the formwork.
§ 4-1-27. Installation and dismantling of wooden formwork from ready-made elements
§ 4-1-28. Construction and dismantling of formwork for the walls of tanks and bunkers
§ 4-1-29. Installation and dismantling of steel formwork for foundations and massifs
§ 4-1-30. Installation and dismantling of wooden plugs in concrete and reinforced concrete structures
§ 4-1-31. Installation of steel embedded parts in formwork
§ 4-1-32. Various formwork works
Chapter 2. Reinforcement work
Technical part
§ 4-1-33. Installation of reinforcing meshes and frames
§ 4-1-34. Installation and low reinforcement with separate rods
Chapter 3. Concrete work
Technical part
§ 4-1-35. Preparation of concrete mixture in free-standing concrete mixers
§ 4-1-36. Supplying concrete mixture with concrete pumps
§ 4-1-37. Laying concrete mixture in a structure
§ 4-1-38. Installation of panels and electrodes for electrical heating of concrete
§ 4-1-39. Pouring concrete mixture for equipment
§ 4-1-40. Ironing of concrete surfaces
§ 4-1-41. Manual placement of concrete mixture into individual structures
§ 4-1-42. Miscellaneous concrete works
Technical hour-ii
§ 4-1-43. Assembly, installation and dismantling of sliding formwork
§ 4-1-44. Installation and dismantling of sliding formwork lifting devices
§ 4-1-45. Construction and dismantling of the working floor and suspended scaffolding of sliding formwork
§ 4-1-46. Installation and dismantling of pumping distribution units and pumping stations
§ 4-1-47. Installation of embedded elements when lifting sliding formwork or dismantling them
§ 4-1-48. Laying reinforcement and concreting in slip formwork
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UNIFIED STANDARDS AND PRICES
FOR CONSTRUCTION, INSTALLATION AND REPAIR WORKS COLLECTION 4 INSTALLATION OF PREFABRICATED AND CONSTRUCTION OF MONOLITHIC REINFORCED CONCRETE AND CONCRETE STRUCTURES ISSUE I
BUILDINGS AND INDUSTRIAL STRUCTURES
MOSCOW - 1969
Official publication
STATE COMMITTEE OF THE USSR COUNCIL OF MINISTERS FOR CONSTRUCTION (GOSSTROY USSR)
STANDARDS AND PRICES
FOR CONSTRUCTION, INSTALLATION AND REPAIR WORKS
Collection 4
INSTALLATION OF PREFABRICATED AND CONSTRUCTION OF MONOLITHIC REINFORCED CONCRETE AND CONCRETE STRUCTURES
BUILDINGS AND INDUSTRIAL STRUCTURES
Approved State Committee Council of Ministers of the USSR for Construction Affairs and the State Committee of the Council of Ministers of the USSR for Labor and Wages in agreement with the All-Union Central Council of Trade Unions for mandatory use in construction, installation, repair and construction work
PUBLISHING HOUSE OF LITERATURE ON CONSTRUCTION Moscow - 1969
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Continuation of the table. 2 |
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Continuation of the table. 2 |
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* L - distance between columns in m.
Notes: 1. With special feasibility study
justification in projects industrial buildings it is allowed to set more stringent permissible deviations compared to those indicated in the table. 2.
2. Tolerances of support areas and tolerances of gaps between elements are determined by the project.
§ 4-1-1. Laying foundation blocks
Before starting work on laying foundation blocks or slabs, the correctness of the base level is checked by leveling. In this case, there should be no loosened soil below the base of the foundation.
When working with cranes located in a pit, special measures are taken to ensure the preservation natural structure foundation soils.
Laying foundation blocks begins with installing lighthouse blocks in the corners and at the intersections of walls. The compliance of the position of the lighthouse blocks must be carefully checked according to the design using surveying tools.
The foundation block (or slab), lifted by an assembly crane before installation, is stopped above the installation site at a height of 5-IOcjh; in this position, the block is unfolded and centered, and then lowered onto the base. If foundation block it does not lie down exactly, it must be lifted by a crane and moved to the side; the foundation must be re-planned.
The assembled foundation structure from ready-made blocks is subject to handover according to the certificate before the start of work on the construction of the remaining parts of the buildings.
Scope of work
1. Marking of installation sites. 2. Preparing a bed from a ready-made solution or leveling a gravel or sand base. 3. Laying foundation blocks or slabs using a crane. 4. Verifying the correct placement of blocks or slabs. 5. Sealing the seams with mortar.
Squad composition
Installer of structures 4 grades. - / » » 3 » - /
Driver 5" - /
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Time standards and prices for 1 element |
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Type of foundations
Block type
A,<^^ дтч
Under the columns (Fig. 2):
a) whole
b) glass
c) composed of individual elements
Note. When laying composite foundations made of trapezoidal blocks, slabs and glass (Fig. 2, c) under the columns N. vr. and Rasc. lines No. 1-3, 9 and 10 multiply by 1.15.
§ 4-1-2, Installation of Basement Wall Blocks
Instructions for carrying out work
Before installing the basement wall blocks, clean the surface of the lower laid blocks from dirt, sweep them and water them with water (watering is not done in winter). A solution 20-30 mm thick is spread over the cleaned surface and leveled, not reaching the edge of the blocks by 30-40 mm. Before installation, the block, lifted by an assembly crane, is stopped at a height of 5-10 cm from the installation site, unfolded and centered, and then lowered onto the surface of the underlying blocks.
If the block is not installed accurately, it must be lifted, moved to the side, and the solution again leveled over the surface.
After lowering the block into place, the correctness of its position horizontally, vertically and in relation to the previously installed blocks is checked, for which a level, plumb line and a staff are used.
The position of the block is leveled using a crowbar and wedges and supported by a crane. Upon completion of leveling the block, the tap is released, and after installing a number of blocks, the vertical seams are caulked and filled with mortar.
Scope of work
I. Marking the locations for installing blocks. 2. Preparing a bed from a ready-made solution. 3. Installation of blocks using a crane. 4. Alignment of installed blocks to plumb and level. 5. Filling vertical channels and coating vertical joints with mortar.
Squad composition
Installer of structures 4 grades. - /
Driver 5" - /
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Time standards and prices for 1 block |
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Weight of elements in t |
Dist. ALIA | ||
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installers designs |
driver |
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§ 4-1-3, Installation of concrete, silicate and brick blocks of building walls
Instructions for carrying out work
Installation of large blocks is carried out in accordance with the installation working drawings indicating the placement of blocks in the walls.
Before the installation of structures of the above-ground part of buildings begins, a geodetic check of the axes of the external and internal walls is carried out with the elimination of detected deviations from the requirements of the project. In the area where installation is being carried out, other construction work on the underlying floors of buildings is not allowed. Therefore, the building is divided into at least two sections so that, in parallel with the installation on one section, other post-installation work can be carried out on the other section.
During the installation of large-block walls, all other structures are also installed along the way: floors, partitions, stairs, window and door blocks, etc.
One of the ways to make horizontal masonry joints should be to install blocks on a layer of plastic mortar with two pads and two wedges (on the inside of the outer wall) with the block aligned vertically while slowly pulling out the wedges.
The installation procedure in this case is as follows:
a) before installing the block, spread the mortar in a layer approximately 3 mm thicker than its final thickness, not bringing it 30 mm to the facade surface of the wall;
b) wooden plates measuring 40x40 mm and a thickness equal to the thickness of the seam are placed in the layers of mortar (at a distance of 5 cm from the plane of the facade), and on the other side of the layer two inventory wedges are laid so that the installed block has a slight slope towards the outside side (from the wedges);
c) the block delivered by the crane is installed in place without unhooking it from the hook of the tower crane, brought to a vertical position and checked for correct installation of the block.
The block is brought into the design position relative to the axis of the wall by moving it with a special crowbar with a split and bent end.
The wedges are left for 1-2 days under the block until the solution hardens.
The average thickness of horizontal joints in large-block walls should not exceed 12 mm.
Installation of blocks begins with the external walls of buildings by installing corner blocks on the mortar, and then intermediate ones (at a distance of 15-20 m from the corner ones). A cord is stretched between these blocks, along which row blocks are then installed on the solution in a sequential order.
It is not allowed to insert a block from above between two previously installed blocks, with the exception of the last closing block at the junction of two adjacent mounted sections of the grip.
The correct position of the mounted block in plan is checked by applying a 2-3 m long strip to the front edges of adjacent blocks or by laying the strip on edge along the upper ends of adjacent blocks.
To grab and install large blocks, you should use the gripping devices and traverses recommended in the corresponding albums and catalogs.
Scope of work
1. Marking the installation locations of the unit. 2. Making a bed from a ready-made solution. 3. Installation of blocks using a crane. 4. Verifying that the blocks are installed correctly plumb and level. 5. Installation of anchors (for cornice blocks and slabs). 6. Sealing vertical joints by filling the channels with slag concrete mixture or mortar. 7. Coating horizontal and vertical seams with mortar.
Squad composition
Installer of structures 5 grades. - 1 » » 4 ъ - 1
Driver 5" - 1
A. PITCH BLOCKS AND EXTERNAL WALL BLOCKS Time standards and prices for 1 block
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Table 1 |
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B. INTERNAL WALL BLOCKS AND CORNICE BLOCKS Time standards and prices for 1 block
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table 2 |
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Continuation of the table. 2 |
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Notes: 1. When fastening wall blocks to floor slabs with ready-made forgings on floors, take N. time on the first m of the building perimeter. 0.1 man-hours for an installer of 3rd grade structures Calc. 0-05.6.
2. The standards provide for the installation of wall blocks with closed joints. When installing wall blocks with open joints to seal 1 m of joint with brick, take N. vr. 0.12 man-hours with a team of concrete workers of 4 po3p. - l t 3 size - D Rasc. 0-07.1.
§ 4-1-4. Installation of columns and capitals
Instructions for carrying out work
Before installing the columns, the foundation cups are cleaned of dirt, the bottom marks of the foundation cups are checked for correctness and, if necessary, the bottom is filled with mortar. Marks of the longitudinal and transverse axes are applied to the foundation.
Temporary fastening, alignment and bringing into the design position of columns installed in foundation glasses or on lower columns should be done using single or group conductors.
UDC 69(083.74)+69.057.1 from 725/728
Developed by the Central Normative Research Bureau of Glavmosoblstroy under the general guidance of the Central Bureau of Labor Standards in Construction (CBNTS) at the All-Union Research and Design Institute of Labor in Construction of the USSR State Construction Committee,
Leading performer B. M. Galitsky
(TsNIB Glavmosoblstroy)
Performer M. M. Konkina
(TsNIB Glavmosoblstroy)
Responsible for the release E. Ya. Rostovsky (CBNTS at the All-Russian Research Institute of Labor in Construction of the USSR State Construction Committee)
Plan ] iv. 1969, paragraph 2/7
The column is installed in the foundation shell, secured and pre-aligned using mounting devices (conductors). After the position of the column is fixed by the conductors, the installation crane is released. After installing a number of columns, their final alignment is carried out.
Removal of single conductors is carried out after the final sealing (grouting) of the joint.
Dismantling and removal of group conductors is carried out after securing the crossbars and ties by welding, ensuring the rigidity and invariability of the position of the columns (crossbars and ties).
Scope of work
A. WHEN INSTALLING COLUMNS USING CONDUCTORS a) In foundation glasses
1. Applying axial marks on columns and foundations. 2. Leveling the bottom of the glass (as needed) with washing and cleaning the glass. 3. Installation of columns into foundation glasses using a crane. 4. Installation of single conductors with temporary fastening of columns and their final alignment in the conductors. 5. Disassembly of single conductors with loosening of bolts. 6. Cutting down the concrete beads on the conductors remaining after sealing the joints.
b) On lower columns (building up columns) or foundation slabs
1. Installation of a group conductor with lifting onto the ceiling, laying guides from channels, lifting and installing individual sections, connecting them into one rigid structure, lifting and installing flooring from boards, rolling the conductor to the installation site of the columns, aligning and securing it in the working position "or installing a single conductor on the head of a lower column with alignment and securing it in working position. 2. Applying marks along the axes of the columns. 3. Installing columns with a crane on lower columns or foundation slabs with temporary fastening of the columns in the conductors with mounting bolts or other devices. 4 Final alignment of the columns 5. Disassembling the group conductor into sections with removal of the flooring from the boards 6. Moving the group conductor within the floor to a new position with the installation of a new guide link, with the removal of fasteners, installation, alignment and securing of the conductor in the working position or disassembly. a single conductor with its transfer within the floor to a new position with installation, alignment and securing it in the working position,
B. WHEN INSTALLING COLUMNS WITHOUT THE HELP OF CONDUCTORS a) In the foundation glasses
1. Applying axial marks on columns and foundations. 2. Leveling the bottom of the glass (as needed) with washing and cleaning the glass. 3. Installation of columns into foundation glasses using a crane, alignment and temporary fastening with wedges, braces or struts. 4. Removing temporary fastenings after grouting the joints.
Introductory part........................... 6
INSTALLATION OF PRECAST CONCRETE AND CONCRETE STRUCTURES
Technical part
§ 4-1- 1. Laying foundation blocks.......... 11
§ 4-1- 2. Installation of basement wall blocks......... 14
§ 4-1- 3. Installation of concrete, silicate and brick blocks of building walls.................................. 15
§ 4-1- 4. Installation of columns and capitals.......... 19
§ 4-1- 5. Integrated assembly of trusses from two halves... 23
§ 4-1- 6. Laying crossbars, purlins, beams and trusses..... 24
§ 4-1- 7. Laying slabs and panels of floors and coverings. 28
§ 4-1- 8. Installation of wall panels, partitions and parapets
slabs........................ 29
§ 4-1- 9. Installation of flights of stairs and laying of slabs of staircase landings................ 33
§ 4-1-10, Installation of gratings and turns of stair gratings.................................... 34
§ 4-1-11. Laying balcony slabs......................... 36
§ 4-1-12. Installation of sanitary units, ventilation units and waste chute pipes... 36
§ 4-1-13. Laying timber lintels.......... 37
§ 4-1-14. Installation of reinforced concrete window blocks... 38
§ 4-1-15. Installation of sanitary cabins...... 39
§ 4-1-16. Installation of prefabricated reinforced concrete fence elements.................................... 39
§ 4-1-17. Electric welding of installation joints........ 40
§ 4-1-18. Sealing joints................... 41
§ 4-1-19. Filling seams of wall panels, panels and floor slabs and coverings.................................. 42
§ 4-1-20. Sealing joints in large-panel buildings
polyisobutylene mastic.......... 43
§ 4-1-21. Filling the channels of wall panels with slag.... 44
§ 4-1-22. Caulking, caulking and jointing...... 44
§ 4-1-23. Installation of a cement underlying layer under
wall blocks................... 45
§ 4-1-24. Sealing holes in hollow core slabs.................................... 46
§ 4-1-25, Sheathing building frames with asbestos-cement sheets 47
CONSTRUCTION OF MONOLITHIC CONCRETE AND REINFORCED CONCRETE STRUCTURES
Technical part Chapter 1. Formwork work
Technical part
§ 4-1-26. Construction of scaffolding supporting the formwork. . 49
§ 4-1-27, Installation and dismantling of prefabricated wood formwork..................
§ 4-1-28, Construction and dismantling of formwork for the walls of tanks and bunkers.................................. 67
§ 4-1-29, Installation and dismantling of steel formwork for foundations and masses.................................. 71
§ 4-1-30. Installation and dismantling of wooden plugs in concrete and reinforced concrete structures...... 73
§ 4-1-31. Installation of steel embedded parts in formwork § 4-1-32. Various formwork works........... 75
Chapter 2. Reinforcement work
Technical part
§ 4-1-33, Installation of reinforcing mesh and frames..... 78
Chapter 3. Concrete work
Technical Section § 4-1-35. Preparation of concrete mixture in free-standing
§ 4-1-34. Installation and tying of reinforcement with separate rods 83
concrete mixers................ 86
§ 4-1-36. Supplying concrete mixture with concrete pumps...... 87
§ 4-1-37. Laying concrete mixture in a structure...... 92
§ 4-1-38, Installation of panels and electrodes for electrical heating of concrete.................................. 99
§ 4-1-39. Pouring concrete mixture under the equipment.... 101
§ 4-1-40. Ironing of concrete surfaces......102
§ 4-1-41. Laying concrete mixture in separate structures
manually...................103
§ 4-1-42. Various concrete works............103
Chapter 4. Reinforced concrete work in sliding formwork
§ 4-1-43. § 4-1-44.
Technical part
Assembling, installing and dismantling sliding formwork. Installing and dismantling lifting devices for sliding formwork...................
Construction and dismantling of the working floor and suspended
sliding formwork scaffolding.........
Installation and dismantling of pumping and distribution units and pumping stations...........
Installation of embedded elements when lifting sliding formwork or dismantling them.........
Laying reinforcement and concreting in sliding formwork....................................
INTRODUCTORY PART
1. The standards of this collection provide for the installation of prefabricated reinforced concrete and concrete structures of residential, public, industrial buildings and structures, as well as monolithic concrete and reinforced concrete work.
2. The standards of this collection provide for work to be carried out at a height of up to 15 m from ground level. When performing work at a height of more than 15 m, for each subsequent meter of height N. vr. and Rasc. increase by 0.5%. (For example: a) with a total height of the building or structure of 25 m N. v. and Rasc. increase by (25-15) * 0.5 = 5%, i.e. multiplied by 1.05;
b) with a total building height of 40 m N. v. and Rasc. increase by (40-15)* 0.5= 12.5%, i.e. multiplied by 1.125).
3. The standards of this collection do not provide for electric tack. Electric tack welding must be performed by a manual electric welder or a structure installer who has a second profession as a manual electric welder. Payment for electric tack work is made separately (piecework or time-based).
INSTALLATION OF PRECAST CONCRETE AND CONCRETE STRUCTURES
TECHNICAL PART
1. The standards of Section I provide for the installation of structures using cranes: tower, crawler and gantry. When installing structures using cranes on pneumatic wheels and truck-mounted cranes N. vr. and Rasc. multiply by 1.1, and when installing structures using masts equipped with electric winches - by 1.3.
2. Rates for drivers are calculated at a tariff rate of 5 razr> When installing structures with cranes operated, according to the TKS, by drivers of 4 or 6 razr. > prices for drivers should be recalculated at tariff rates corresponding to 4 or 6 razr.
3. The standards of this collection take into account and do not pay separately for slinging and unslinging elements, tightening moorings, bending, cutting or cutting off mounting loops, cleaning elements and their installation sites, cleaning steel embedded parts from dirt, ice and splashes of solution, supplying bunkers and boxes with mortar, shoveling the finished mortar, changing and cleaning gripping devices, adjusting elements during the installation process, knocking out wedges during temporary fastening and alignment of parts, carrying and installing mounting devices, laying meshes and ties in large-block structures (according to the design), reeving, rearranging and removing lifting pulleys, fastening blocks and cables, installation and rearrangement (using a crane or moving) of inventory scaffolding, installation and removal of ladders up to 5 meters high and weighing up to 50 kg, stepladders, tables, signaling during installation, delivery and acceptance of shifts.
4. The standards take into account the movement of structures, materials, tools and devices in the crane operating area at a distance of up to 30 m (except for special cases).
5. When installing prefabricated reinforced concrete structures of industrial and civil buildings, the installation of scaffolding and scaffolding not provided for in clause 3 of the Technical Part should be standardized according to collections 5-1 ENiR “Installation of steel structures. Buildings and industrial structures" or 6-1 ENiR.
6. In table. 1 and 2 show the permissible deviations during the installation of prefabricated reinforced concrete and concrete structures in accordance with SNiP III-B.3-62* “Prefabricated concrete and reinforced concrete structures. Rules for the production and acceptance of installation work."
7. For the sake of brevity, the assemblers of steel and reinforced concrete structures provided for by the composition of the units are called structure installers.
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Table 1 |
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Name of deviations |
Permissible deviations in mm |
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Displacement relative to the split axes: axes of foundation blocks......... » foundation glasses......... | |
|
Deviation in the elevations of the upper supporting surfaces of the foundations from the design..... | |
|
Displacement of the column axes in the lower section relative to the alignment axes.......... | |
|
Deviation of the column axes from the vertical in the upper section at column height H in m: up to 4.5..... ............ over 4.5................... |
0.001 I, but not more than 35 mm |
|
Difference in elevations of the top of columns or support platforms of each tier within the verified area (block) .................. |
12 + 2/z, where n ■ is the serial number of the tier |
|
Displacement of the axes of wall panels and partitions in the lower section relative to the alignment axes...... ...... ........ | |
|
Deviation of the planes of wall panels and partitions from the vertical (in the upper section)..... | |
|
Difference in the marks of the supporting surfaces of wall panels and partitions within the verified area (block)................................. | |
|
Displacement of the axes of beams, trusses, crossbars and purlins relative to the alignment axes....... | |
|
The difference in the elevations of the upper surface of the floor elements within the verified area.................................... | |
|
Difference in elevations of the bottom surface of two adjacent floor elements......... | |
|
The same, the upper faces............ | |
Note. The tolerances of the support areas and the tolerances of the gaps between the panels are determined by the project.
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table 2 |
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E4-1-46. Installation and tying of reinforcement with separate rods
Scope of work
E4-1-45. Laying reinforcing mesh using the continuous rolling method
1. Rolling out the roll and adjusting the edges in place. 2. Substrate and laying of concrete pads with fastening. 3. Marking the edges of the rolled mesh for cutting. 4. Cutting the mesh with reinforcement shears. 5. Fastening the mesh to the formwork (frame) with wire.
Time standards and prices for 1 ton of laid reinforcing mesh
When installing and tying reinforcement for all structures, except for drying chambers of granaries
1. Marking the locations of reinforcing bars and clamps. 2. Laying concrete pads with fastening. 3. Installation of reinforcing bars in the formwork with the installation of stops for fixing the reinforcing bars. 4. Knitting of reinforcement units.
When installing fittings in the walls of drying chambers of granaries
1. Marking the locations of reinforcing bars on the formwork. 2. Installation of double mesh reinforcement. 3. Temporary fastening of the horizontal reinforcement of the external mesh to the formwork. 4. Knitting of reinforcement units.
Time standards and prices for 1 ton of installed fittings
| Constructions | Composition of the reinforcement team | Diameter of fittings, mm | |||||||
| until 6 | up to 8 | up to 12 | before 18 | Up to 26 | St. 26 | ||||
| Massifs, individual foundations and slab foundations with reinforcement in the form of flat meshes | 4 size - 1 2 " - 1 | 26 18-59 | 17,5 12-51 | 12 8-58 | 8 5-72 | 5,6 4-00 | 3,9 2-79 | ||
| The same, in the form of a frame | Same | 36,5 26-10 | 26,5 18-95 | 17,5 12-51 | 11,5 8-22 | 8,5 6-08 | 5,8 4-15 | ||
| Strip foundations, purlins, crossbars, beams | 5 sizes - 1 2 " - 1 | 28 21-70 | 22,5 17-44 | 18,5 14-34 | 14 10-85 | 10 7-75 | 6,7 5-19 | ||
| Columns and frame posts with simple shaped clamps | Same | 26,5 20-54 | 21,5 16-66 | 16 12-40 | 12 9-30 | 8,7 6-74 | 6,8 5-27 | ||
| The same, complex shape | " | 36 27-90 | 27 20-93 | 21,5 16-66 | 15,5 12-01 | 11,5 8-91 | 8,6 6-66 | ||
| Slabs with single reinforcement | 4 size - 1 2 " - 1 | 26,5 18-95 | 24,5 17-52 | 13,5 9-65 | 11 7-87 | 7,2 5-15 | - | ||
| Slabs with double reinforcement | Same | 35,5 25-38 | 32 22-88 | 16 11-44 | 13 9-30 | 8,6 6-15 | - | ||
| Beamless overlapped | " | 37 26-46 | 30,5 21-81 | 21 15-02 | 14 10-01 | 11,5 8-22 | - | ||
| Walls and partitions with single reinforcement | 5 sizes - 1 2 " - 1 | 28,5 22-09 | 24,5 18-99 | 17 13-18 | 11,5 8-91 | - | - | ||
| The same, with double reinforcement | Same | 35,5 27-51 | 31,5 24-41 | 20 15-50 | 15 11-63 | - | - | ||
| Vaults, thin-walled shells of domes | 6 sizes - 1 2 " - 1 | 35,5 30-18 | 32 27-20 | 24,5 20-83 | 19 16-15 | - | - | ||
| Walls of tanks and settling tanks, as well as walls of bunker galleries | Same | 43 36-55 | 37 31-45 | 32 27-20 | 24 20-40 | 16,5 14-03 | 13 11-05 | ||
| Staircases, landings, balconies and handrails | 5 sizes - 1 2 " - 1 | 55 42-63 | 45,5 35-26 | 38,5 29-84 | 27,5 21-31 | 17 13-18 | - | ||
| Transformer chambers (cabins with oil drain, etc.) | 5 sizes - 1 2 " - 1 | 71 55-03 | 60 46-50 | 49,5 38-36 | - | - | - | ||
| Walls of drying chambers of granaries with double reinforcement | Same | - | 108 83-70 | - | - | - | - | ||
| Arches | 6 sizes - 1 2 " - 1 | 27,5 23-38 | 25 21-25 | 18 15-30 | 14 11-90 | 9,9 8-42 | 7 5-95 | ||
| A | b | V | G | d | e | № | |||
Notes: 1. Installation and tying of reinforcement for ribbed floors, coatings and tank bottoms is standardized according to the standards of the corresponding structural elements (beams, slabs) with a coefficient of 1.2 (PR-1).
2. The standards provide for the installation of fittings with tying joints. When installing reinforcement with welding of joint corners, including welding, N.V. multiply by 0.75, and Rast. by 0-79, while replacing the 2nd grade in the reinforcement unit. for an electric welder for manual welding, 3 grades. (PR-2) .
CHAPTER 3. CONCRETE WORK
Technical part
1. The standards of the chapter (with the exception of § E4-14-7) do not provide for the preparation and transportation of concrete mixture to the construction site and are regulated additionally.
2. The movement of concrete mixture in bunkers, tubs and boxes from the place of acceptance to the place of its placement is standardized and paid according to Sat. E1 "In-building transport work".
3. If there is a production need, the preparation of concrete mixture at the construction site should be standardized according to the standards of § E4-14-7 of this chapter.