Requires less due to flat, even surfaces & less number of joints. 1. The minimum compressive strength shall be 7.5 N/mm2 for non-load-bearing block work Tunnel form. Define Work Specification. Such accessories include insulation, ties, joints, restraints and damp proofing, and should be included in Section F30 and covered under BS EN 845. Almost all buildings will feature concrete blocks in one way or another. . Procedure and Methodology: Method Statement for Concrete Block Work | CMU Block Work 7.1 HSE Requirements: 15) The concrete surfaces to be cleaned prior to masonry block installation. Block, Half Block, and Slab Ingot. 6 gypsum boards and partitions . Thin joint blockwork. Some of the advantages of hollow concrete block construction . For example, ASTM C55 is the fixed designation for concrete building brick. block masonry - Code of practice [CED 53: Cement Matrix Products] IS 2572:2005 w'wfhmiw- . 5 tiling works . Blockwork plays a key role in the construction industry. Work Procedure for Masonry Block Work. Breakage. 10 glazing The purpose of this Work Method Statement for Block Works is to describe setting and lay-out plan on actual location, erection of scaffolding, mixing of cement mortar, mounting/laying of blocks and all other related activity. The concrete blocks are generally made using concrete which is a mixture of powdered Portland cement, water, M-Sand, and gravel. This procedure provides a method of control for construction of block masonry work in order to achieve compliance with the contract specifications and drawings.. 2. 7 carpentry & joinery . All precast concrete masonry block work will be carried out in accordance with the project specifications. The letter and first number of an ASTM designation is the fixed designation for that standard. Speedy construction due to its big size, light weight & ease to cut in any size or shape. For DPC above ground level with wall thickness . 2. 4 stone works . These are used as load-bearing units and shall have a minimum block-density of 1500 kg/m 3 . DPC above ground level. For Low-lift technique, lift shall not exceed 4 feet (1.2 m) in height. Less than 5%. 8 metal works . 1. According to the Concrete Block Association 60million square metres of dense and lightweight concrete building blocks are produced each year. We also considered having two distinct types of block, with different rendering and message transport requirements, with the second . Construction speed. In any circumstance where specifications are not 3 block work & brick work . It is very important for the execution of the work. 2. The solid coarse shall extend for at least 20mm beyond the opening on either side and should be enforced with two numbers of high-strength deformed steel bars of 10mm diameter. Part A-Specification for Civil & Architectural Works Division 04-04220: Concrete Masonry Units and any material . Cleaning of block work. 16) Dampen the concrete surfaces and lay the first course of masonry block with bed mortar. At the moment, the specification is largely silent on sandboxing, and blocks should be designed to work whether in their own scope or in the scope of a wider application, e.g. General The Work shall be carried out according to these Specifications whether specifically mentioned elsewhere or not. No extra in any form will be paid unless it is definitely stated as an item in the Bill of Quantities. Work Method Statement Template; Blocks shall be stocked on a level area in an orderly manner and to avoid blocks direct contact with ground. SFSPblock reinforcements reduces the risk of cracking either at stress concentration around opening. The points to be kept in view while making selection of DPC materials are briefly discussed below: 1. Currently, seven ASTM standards apply to units intended primarily for construction of concrete masonry walls, beams, columns or specialty applications (see Table 1). Horizontal joints on every floor should be at the same level so as to allow proper bonding at junctions. ACCESSORIES TO BRICK AND BLOCK WALLING It is important when preparing the specification not to exclude the specific accessories relevant to the brick/block walling. Block work is something of a necessity in a building. As we develop this application further, we will test various rendering strategies in it, and provide abstractions for embedding applications to minimize the amount of work required to use blocks. The concrete blocks shall be manufactured for minimum compressive strengths of 3.5, 4.5, 5.5, and 7.0 N/mm 2 respectively, at 28 days. Concrete facing block work shall be manufactured in accordance with BS EN 771: Part 3 and tested in accordance with BS EN 772. The store will not work correctly in the case when cookies are disabled. Damp cure the block works for 3 days, lintels and sills for 7 days as per the project specifications. Solid concrete block shall be provided under doors and window opening or a 100mm thick precast concrete fill block under the window. AAC is a lightweight material composed of silica sand, gypsum, lime and cement. So let us see the brief specification of Brickwork and how it is carried out step by step. It is a pre-mixed, easy to apply high-quality mortar comprising of cement, graded sand and admixtures which replaces conventional jointing . Crosswall. Block work shall built to the respective dimension, thickness and height mentioned on the drawing. 17) Perform all grouting by means of Low-lift or High-lift Technique. Joint thickness should be within the range of 6mm to 10mm depending upon the size of bricks. Blocks are the common name for concrete masonry units (CMUs), and are sometimes also called concrete bricks, cement blocks, breeze blocks or cinder blocks. AAC block adhesive is a polymer-based versatile jointing material specially designed to provide high bonding, durability and speed up the build process of AAC blocks, fly ash bricks, concrete blocks, etc. Brickwork specification specifies the nature and the class of the work, materials to be used in the work, workmanship etc. The sand shall comply in all respects with BS 1200, table-1. Autoclaved Aerated Concrete blocks (AAC Blocks), which are also commonly known as Aerated Lightweight Concrete blocks (ALC Blocks) are common masonry blocks used in construction of a wall. Requires more due to irregular surface and more number of joints. The total height of 9 cm brick with 5 courses and 5 mortar joints shall be 50 cm. for masonry work is on constant increase in this country. by not polluting the global scope. Mortar and Grout: Mortar and grout shall be used as specified in project specifications. wind and seismic. This is a work-in-progress environment we are using to explore and test assumptions and suggested approaches in the Block Protocol. 2 concrete works . Addition of Type II slab bundle configuration (without footslabs). Rationale. Detailed Specifications Of Building Works (Civil) Page 1 Specifications of Building Construction (Civil) Works 1. SPECIFICATION FOR PAVING BLOCKS WORK. Block Ladder Reinforcement SFSP ladder and truss types are used for the reinforcement of brick and block masonry to give improved tensile strength to walls subjected to lateral loading e.g. This guide looks at some of the key considerations when selecting blocks for your project. Item of Work: Providing and fixing 60mm thick factory made Hydraulically pressed Mechanically vibrated and compacted precast inter locking cement concrete paving blocks in M-40 grade of approved size and shape as specified 6. Cement Mortar for Plaster & Masonry. Comparatively slow. Fig 1: Cross section of Damp Proof Course. . It depends upon the climate and atmospheric conditions, nature of the structure, and the situation where DPC is to be provided. There are three main types of blocks; dense, lightweight and aerated. The load bearing blocks made from concrete offer more compressive strength than standard landscaping . Robust and durable: concrete blocks are particularly suitable for situations where low-maintenance is a high priority or simply for additional security. section 1 general . Grade 'A'. general technical specifications . 9 acoustical ceiling . . means appendix No 2 hereto which contains types of works, structure of documentation passed to the Contractor, and special terms and requirements which the Contractor needs to take into account when performing the Works. The hollow concrete blocks shall be classified in the following four types: 1. The idea of making blocks of out concrete . This civil work instruction procedure provides a method of control for construction of block masonry work in order to achieve compliance with the contractual project specifications and construction drawings for block work. Sand for motor shall be selected beach or dune sand, washed clean and free from clay, chalk, shells, organic materials and other impurities. 3. We supply Autoclaved Aerated Concrete (AAC) Blocks.Our blocks will provide the trusted lightweight walling solution you need. Technical Specification Interior Works 2 3 Cement Plaster Providing and laying 12-15mm thick plaster in cement mortar 1:4:2 (1cement : 4 fine sand : 2 coarse sand) to all types of RCC work (small or big) brick/stone work surfaces including parapet, wall tops, jambs and cills etc.at all levels, in line, level and plumb as As the work proceeds, carefully remove mortar splashes from masonry surfaces and adjoining . Curing the block work. "Works Milestone" means a portion of Works which may be inspected and accepted by the Customer, and provided for in the Agreement, Design . Average 10 to 12 %. PROCEDURE.1 All precast concrete masonry blockwork will be carried out in accordance with the specification and Project Quality Plan. blocks as per IS 2185 (Part I ) :2004 'Specification for concrete masonry units : Part 1 Hollow and solid concrete blocks . Cement shall be Portland cement to BS 12, sulphate resisting cement shall comply with BS 4027. Tilt-up construction. ASTM Standard C33, 2003a, "Specification for Concrete Aggregates," ASTM International, West Conshohocken, PA, 2003, DOI: 10.1520 . Thin joint concrete common block work shall be manufactured in accordance with BS EN 771: Part 3 and tested in accordance with BS EN 772. Steel Lintels & Block Work Accessories The cost of the work depends much on the specification of work. 7. Concrete blocks are used extensively for both load bearing and non- load bearing walls, externally and internally. contents. Resilience and security: their integrity is unaffected by water and concrete is more resilient to impact than many . SCOPE. Twinwall. It is advised to use non-shrinking mortar to avoid cracks in .
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