GENERAL PWD COLLEGE OF ENGINEERING TRIVANDRUM PROVIDING LEAK PROOFING WORKS TO THE TERRACE OF LEFT SIDE PASSAGE AREA AND HEAD ROOM OF THE MAIN BUILDING WORK GENERAL CIVIL WORK 1

Amount

water proofing works

OD39133/2023-2024:Labour engaged in disconnecting and removing the existing waterline and water tank and replacing the same in appropriate position after the completion of water proofing work in terrace.

OD39134/2023-2024:Dismantling the existing damaged bituminous sheet and disposal of unserviceable materials within 300 metres lead as per the direction of Engineer - in - charge.

OD39148/2023-2024:Dismantling the existing flooring tiles, brick jelly, other materials and cleaning the top of mother slab with Pressure jet wash and wire brush including removing all loose gravel, dirt, oil, grease, bitumen and foreign mater and disposal of waste materials with in 300m lead as per direction of Engineer in charge

OD39151/2023-2024:Supplying and applying High build elastomeric waterproofing coating based on pure, hydrophobic polyurethane, cold applied of spray / brush applied, Poly Urethane membrane with an elongation of >350% and tensile strength of 4.7 N/mm2 as per ASTM D 2370, crack bridging ability of 3mm as per ASTM C1305, no leakage upto 5 bars of water pressure as per DIN 1048, SRI Index of 106 with UV resistance . The system includes final base preparation, epoxy primer application and applying Poly Urethane Coating or approved equivalent in three coats with a consumption of 2.2 Kg per SQM on a primed surface with Epoxy Primer, etc., complete as per Manufacturer specifications

22.14.1:Grading roof for water proofing treatment with:Cement concrete 1:2:4 ( 1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size)

22.14.2:Grading roof for water proofing treatment with:Cement mortar 1:3 ( 1 cement : 3 coarse sand)

50.18.9.19.2:Providing and fixing PVC pipes including fixing the pipe with clamps/clips at 1.00 m spacing. This includes jointing of pipes with one step PVC solvent cement and testing of joints complete as per direction of Engineer-in-Charge 110 m dia 4 Kgf/cm2 - External work - Exposed on wall

6.1.2:Brick work with common burnt clay F.P.S (non modular) bricks of class designation 7.5 in foundation and plinth in:Cement mortar 1:6 (1 cement : 6 coarse sand)

13.1.1:12 mm cement plaster of mix:1:4 ( 1 cement : 4 fine sand)

14.1.1:Repairs to plaster of thickness 12 mm to 20 mm in patches of area 2.5 sq meters and under, including cutting the patch in proper shape, raking out joints and preparing and plastering the surface of the walls complete, including disposal of rubbish to the dumping ground within 50 meters lead:With cement mortar 1:4 ( 1 cement : fine sand)

26.28.2:Chipping of unsound/weak concrete material from slabs, beams, columns etc. with manual Chisel and/ or by standard power driven percussion type or of approved make including tapering of all edges, making square shoulders of cavities including cleaning the exposed concrete surface and reinforcement with wire brushes etc. and disposal of debris for all lead and lifts all complete as per direction of Engineer-In-Charge50mm average thickness

26.29.1:Cleaning of reinforcement from rust from the reinforcing bars to give it a total rust free steel surface by using alkaline chemical rust remover of approved make with paint brush and removing loose particles after 24 hours of its application with wire brush and thoroughly washing with water and allowing it to dry, all complete as per direction of Engineer-In-Charge.Bars upto 12 mm diameter

26.31.2:Providing, mixing and applying bonding coat of approved adhesive on chipped portion of RCC as per specifications and direction of Engineer-In-charge complete in all respect.Epoxy bonding adhesive having coverage 2.20 sqm/kg of approved make

OD173310/2023-2024:Providing, mixing and applying anti-corrosive coating on reinforcement with epoxy zinc rich primer as per specification and direction of Engineer in charge

26.32.1:Providing, mixing and applying SBR polymer (of approved make) modified Cement mortar in proportion of 1:4 (1 cement: 4 graded coarse sand with polymer minimum 2% by wt. of cement used) as per specifications and directions of Engineer-in-charge. Note: Measurement and payment: The pre-measurement of thickness shall be done just after the surface preparation is completed and Payment under this item shall be made only after proper wet curing has been done and surface has been satisfactorily evaluated by sounding / tapping with a blunt metal instrument and/or the 75mm size cube crushing strength at the end of 28 days to be not less than 30 N/Sqmm2).12 mm average thickness.

13.46.1:Finishing walls with Acrylic Smooth exterior paint of required shade:New work (Two or more coat applied @ 1.67 ltr/10 sqm over and including priming coat of exterior primer applied @ 2.20 kg/10 sqm)

14.72:Providing and fixing double scaffolding system (cup lock type) on the exterior side, upto seven story hight made with 40 mm dia. M.S. tube 1.5 m centre to centre, horizontal & vertical tubes joining with cup & lock system with M.S. tubes, M.S. tube challies, M.S. clamps and M.S. staricase system in the scaffolding for working platform etc. and maintaining it in a serviceable condition for the required duration as approved and removing it there after. The scaffolding system shall be stiffened with bracings, runners, connection with the building etc wherever required for inspection of work at required location with essential safety features for the workmen etc. complete as per directions and approval of Engineer- in Charge. The elevational area of the scaffolding shall be measured for payment purpose. The payment will be made once irrespective of duration of scaffolding. Note:- This item to be used for maintenance work judicially, necessary deduction for scaffolding in the existing item to be done .

N GOPINATHAN NAIR

Bidder Name

N GOPINATHAN NAIR

ANIL KUMAR P