DEMOLITION OF OLD RCC WATER TANK AND PROVISION OF PVC WATER TANK IN C-25 TO C-49 AND B- 21 TO B-42, B-45 AND B-46 AT DRDO TOWNSHIP, KANCHANBAGH, HYDERABAD

Demolishing R.C.C. work manually/ by mechanical means including stacking of steel bars and disposal of unserviceable material within 5km out side of MOD land of Engineer - in- charge.

Disconnecting damaged overhead/terrace PVC water storage tank of any size from water supply line and removing from the terrace including shifting at ground level as per direction of Engineer-in-charge.

Taking down existing roof treatment of any position with bituminous felt including plaster / loose concrete upto mother slab and removing rubbish to a distance exceeding 5km and not exc 10km mtrs and roughing the surface of old concrete by picking, scraping, cleaning and washing down with water,hacking of cement concrete roof flooring to remove all dust etc all as specified and directed.

Brushing neat cement slurry to roof complete all as directed by Engr-in- charge

Cement concrete 1:2:4 ( 1 cement ; 2 coarse sand : 4 Graded stone aggregate 12.5mm nominal size ) in pavements, roof padding , laid in required slope and camber in panels as required including consolidation finishing and tamping complete

M&L for rendering 12 mm in CM 1:4 over concrete surfaces on RCC roof slab and parapets mixed with WPC @ 3% by weight of cement shall be carried out complete all as specified and directed by Engr-in-Charge. Note : WPC will be measured under separate item of this schedule.

Supply only integral water proofing compound,

Providing and applying brush applied water based PU dispersed polymer modified elastomeric liquid membrane, ShaliUrethane BTD White Color with Zero VOC to from the membrane in situ at site with 3 layers of monolithic, seam less finish having > 500% elongation. The first layer is to be apply primer Shaliprime BTD @200 Gms per sqm and shall act as the prime coat to fill in the cavities. This can be brush or roller applied. For spray application, using any airless spary system with recommended nozzle size at 30:1 at 2 bar pressure. Providing and applying the 2nd coat @ 1 kg per sqm using the soft brush, roller or Spray system with the recommended nozzle size on to the primed surface . Providing and applying 45 Gsm Fiber cloth over the 1st coat, when substrate till the coat is tacky. Providing and applying 3rd coat @ 1 kg per sqm to finish the application for a thickness of 1.2 mm membrane formed in place. The second coat should be applied perpendicular to the first coat for cross linkage and complete as per the specification.

Disposal of building rubbish / malba / similar unserviceable, dismantled or waste materials by mechanical means, including loading, transporting, unloading to approved municipal dumping ground or as approved by Engineer-in-charge, beyond 5km out side of MOD land initial lead, for all leads including all lifts involved.

Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes 15 mm nominal dia, having thermal stability for hot & cold water supply including all CPVC plain & brass threaded fittings This includes jointing of pipes & fittings with one step CPVC solvent cement, trenching, refilling & testing of joints complete as per direction of Engineer in Charge and Dismantling 15 to 40 mm dia G.I. pipe including stacking of dismantled pipes (within 50 metres lead) as per direction of Engineerin-Charge.