SPECIAL REPAIRS TO TOILET BLOCK ONLY AT BLDG NO P- 2 AND P- 4 OF 6 PARA (SF) OTM ACCN UNDER GE (EAST) AGRA

Taking down of old roof treatment of any description including Brickbat coba finishes,cement mortor screeds,chinamosic tiles,brick/pcc tiles, ceramic tiles from roof surfaces etc including cleaning ,brushing and watering to joints and grooves and throwing the demolition materials/waste, debris 5 km away from the MOD Land etc complete and the roof of height n.ecx 11 mtr etc complete all as specified and directed.

M&L for repair of All visible hairline cracks on concrete roof / screed more than 0.50 mm and not giving hollow sound, should be cut and widen in V shape with mechanical cutter in the size (10mm W x 6mm D). Fill cracks with PU sealant / Hybrid Sealant with suitable gun and smoothed with a putty knife or trowel. Allow sealant to cure a minimum (72 Hrs.) 3 days etc complete all as specified & directed.

M&L for 15 mm thick ready mix plaster/render over 25 mm thick PCC 1:2:4 type B-0 using 12.5 mm graded stone aggregate as in roof, roof kerbs, paddings, mud stops slightly chamfered or rounded in edges including required grove cutting complete all as specified and directed. Note : prepare and shifting/lifting of the PCC by machanical means only, height up to 10. mtr

M&L for Apply one coat of Cipoxy 16D primer in the ratio 1:1 spreading at the rate of 0.200 kg-0.250 kg /sqm in complete dry condition where moisture contain below 7% (should be checked with moisture meter)Allow the primer coat to dry for 6 to 8 hours. Apply 1st coat of Roofseal Classic without dilution spreading at the rate of 0.70/litre/Sq.mt/Coat until all surface is covered. Lay a 40 GSM GEO TEXTILE as a reinforcing material which is incorporated in the coating when the first coat is still in wet condition. Allow the first coat to dry for approximately 4 to 6 hours. Apply the second of chemical with the same application coverage, but in a direction perpendicular to that of the first and second coats. Allow each coat to air cure for a minimum of 4-6 hours after application. Check to see no void surface is left untreated / uncoated.Allow the system to air cure for 7 days minimum etc complete all as specified & directed. Note : The contractor shall submit a gaurantee of 10 years from date of completion of work for waterproofing treatment alongwith manufacturers gauruntee. Contractor have to submit the FDR in the favour of GE (East) Agra before submitting the final bill @ 2.5 % of amount of this item.

Providing and applying crystalline mortar by mixing in the ratio of 4.5 : 1 (4.5 parts crystalline mortar : 1 part water) for the treatment of faulty construction joints, cracks, tie rod holes and spalled & honeycombed surface of RCC underground structures like basement, water tanks, bridge deck etc. to ensure water tightness. The crystallie mortar shall conform to the EN 15043 having compressive strength Class R4 ≥45 MPa and adhesive bond strength Class R3 ≥1.5 MPa. The work shall be carried out all complete as per specification and the direction of the engineer-in-charge. The product performance shall carry guarantee for 10 years against any leakage.For sealing cracks and faulty construction joints, routed out/ making U-shape groove size 25x25 mm and then primed the area with integral crystalline slurry @0.05 kg/running metre and while the surface is tacky filled the groove upto surface with crystalline mortar @1.50 kg/running metre. Once crystalline mortar is touch dry then finally applied two coats of integral crystalline slurry @0.05 kg/running metre per coat. Note :- 1. 72 hrs ponding test of all the treated roof should be carried out before issueing completion to the contractor and water arrangements for ponding test should be made by contractor. 2. contractor purchase all the material & chemical after getting the sample approval.

Dismantling steel work in built up sections in angles, tees, flats and channels including all gusset plates, bolts, nuts, cutting rivets, welding etc. including dismembering and stacking within 50 metres lead.

M&L Framed brackets of angles or tees with web and flanges cut to shape, drilled and countersunk for screw, including bending and welding angles, as necessary, gusset plates, riveting etc n exc 10 kg each brackets, conforming to Fe.290.Gde-E-165 complete all as specified and directed.

M&L for Rolled sections as in main and cross beams, hip and jack rafters; purlins where connected to common rafters and running rails and guides for sliding doors; fixed with angle cleats or other connecting plates conforming to Fe.290.Gde-E-165 complete all as specified and directed.

M&L for preparing of new steel surface and over 10cm width or girth and applying two coat of synthetic enamel paint over a coat of primer complete all as specified and directed.

S&F in repair 110 mm bore PVC (SWR) Soil waste, rain water pipe and vent pipes single socketed in any length with rubber ring joints fixed to walls, floor etc. as per site requirement making good disturbed portion to match the existing complete all as specified and directed.