BARC/TSD/52/2023-24 - External painting with Elastomeric coating, Structural repair works and allied civil works etc. of P1, P2 and P3 building at BARC facilities at village Chinchavali, near Kalyan.

Amount

Dismantling old plaster / skirting carefully , raking out joints and cleaning the surface for plaster including disposal of rubbish to the dumping ground within 100 m lead

Dismantling old ceiling plaster carefully and cleaning the surface for plaster including scaffolding disposal of rubbish to the dumping ground within 200 m lead etc. complete as directed by the Engineer-in-charge

Dismantling plain cement concrete manually / by mechanical means carefully without damaging adjacent structures including disposal of debris within 200 m lead as per direction of Engineer-in-charge

Dismantling brick work in Cement mortar carefully without damaging adjacent structures including stacking of materials and dispoal of unserviceable materials within 100 m lead as per direction of Engineer-in-charge

Lead charges for Lead Exceeding 1 KM but not exceeding 2 KM, by mechanical transport including loading, unloading, stacking / levelling etc.

Debris Note: The rates are for this item applicable fot NET Quantity arrived at after making deduction for voids @30% from corresponding TRUCK Measurement

Providing and laying in position cement concrete of 1:2:4 (1 cement, 2 crushed sand, 4 graded stone aggregate of nominal size 20 mm) / M15 with minimum cement content 320 Kg/CuM including consolidation, finishing, curing etc. complete as per specification and drawings but excluding the cost of Formwork shuttering, centering and steel reinforcement at all Levels

Providing 15 mm thick plastering using Ready mix internal plastering compound of approved make for internal faces of brickwork / concrete surfaces including preparation of the surface, curing, cleaning, scaffolding complete all as per specifications and as directed at site by the Engineer-in-charge

Providing 20 mm thick External plastering in two coats under layer 12 mm thick with C.M 1:4 (using crushed sand) finished with a top layer 8 mm thick in C. M 1:3 (using crushed sand) including approved water proofing compound @ 2% by weight of cement or as per manufacturer's specifications, sieving of sand to required fineness, scaffolding up to 10 metres height, finishing, curing etc. complete as per specifications. and as directed by the Engineer-in-charge

Providing , applying one coat of acrylic based textured plaster of approved make with the finish as directed with average thickness of 2.50 mm and finished with 2 coats of high performance coating of approved shade including preparation of the surfaces, complete. as per specifications and as directed by the Engineer-in-charge.

Providing and constructing brick work in cement mortar using Standard bricks of approved quality / class, make / brand in super structure above plinth up to Floor-II level in all shapes and sizes including curing, raking out joints complete as per specifications and as directed by the Engineer-in-charge.

Brickwork in super structure with standard bricks in C.M 1:4 using crushed Sand

Providing structural repairs in old damaged concrete structures / surfaces with approved Polymer with following operations 1) Removal of loose/Spalled or damaged concrete by chipping and cleaning the concrete surface and reinforcement steel with wire brush and with water 2) Cleaning the re bars with Acetone for complete rust removal and washing with water to make the surface clean. 3) Applying protective coat / bond coat using polymer and cement in the proportion of 1; 1.5 (1 part of polymer and 1.5 parts of cement in synthetic enamal paint like consistancy with brush 4) Reinstate the area with polymer modified mortar in layers of maximum 20 mm with the proportion of Cement 50 Kg : washed and dried river sand 87.50 kg ; silica sand 37.50 Kg. mixed with 10 litres of Polymer (or 1 Kg cement : 1.75 kg washed and dried river sand ; 0.75 Kg silica sand : 200 ml polymer) '5) If thickness of repair exceeds 20mm , after every 20 mm thick repair, bond coat as per 2 above to be applied and further thick of repair to be continued for each layer. This work is inclusive of all materials, labour, complete all as directed at site using approved polymer suitable for structural repair shall be used) Note: Scaffolding will be paid separately under relevant item

Providing and fixing double tubular scaffolding system using H- frames with cup lock type on the exterior side upto seven story height made with 40 mm dia M.S. tube 1.5 m centre to centre horizontal and vertical tubes joining with cup and lock system with M.S. tubes, M.S. tube challies, M.S clamps and M.S staircase system in the scaffolding for working platform etc. and maintaining it in a serviceable condition for the required duration as approved and removing it thereafter. The scaffolding system shall be stiffened with bracings, runners, connection with building etc. wherever required for inspection of work at required locations with essential safety features for the workmen etc. complete as per directions and as approved by the Engineer -in - charge. The elevational area of the scaffolding shall be measured for payment purposes. The payment shall be made once irrespective of duration of scaffolding

Providing and painting walls with (TWO coats) of approved shade of high build protective , elastomeric water proof exterior grade paint of approved make of required shade, minimium dry film thickness of 250 microns acheived in two or more coats / as per manudacturer's specifications including preparation of the surfaces by scrapping / wire brush , scaffolding complete. Primer coat will be with approved make with water in ratio of 1:2 and 2 coats of finishing coat without water all as directed by Engineer-in-charge.

Providing and fixing precoated Galvalume Roofing profile sheets of approved size, shape and pitch up to and including single length of 12.00 met. The sheet shall be fixed using self drilling / self tapping screws of size (5.5 X 55 mm) with EPDM seal or with polymer coated J or L hooks, bolts and nuts 8 mm diameter with bitumen and G.I. limpet washers filled with white lead complete upto any pitch in horizontal / vertical or curved surfaces excluding the cost of purlins, rafters and trusses and including cutting to size and shape wherever required as directed by the Engineer-in-charge

Galvalume sheet roofing 0.50 mm Thickness in Single sheet

Providing & Applying SEAMLESS ACRYLIC BASED CHEMICAL WATERPROOFING SYSTEM with minimum 1 mm DFT (Dry Film Thickness) including surface preparation as per general notes, primer coat, reinforcing membrane (minimum 45 GSM) and multiple layers of chemical coat (2 to 3 coats as per manufacture specification), removing the existing damaged water proofing treatment, if any, all complete as per the manufacturers specifications and as directed by Engineer-in-Charge, using Damp Proof all conforming to the following technical specifications or standard to satisfy the site requirements. Chemical properties: (i) Physical/chemical parameters such as specific gravity, solid contents, Tensile strength, viscosity etc. shall be tested as per relevant test method of IS/ASTM/DIN and shall conform to the approved manufactures product and specification. (ii) Elogation: 100% minimum (iii)UV Resistant: Continuous 500 hrs (min) as per ASTM D4587. Note : Tentative / suggested make for guidance of bidder(s) : M/s. Smartcare Damp Proof of M/s. Asian Paints or Equivalent make

Over terrace slab, top of water tank and parapet etc. at all levels.

MARC CONSTRUCTION