REPAIRS MAINTENANCE OF ROOF TREATMENT AND PERIODICAL SERVICES TO INTERNAL AND EXTERNAL SURFACES TO CERTAIN BUILDINGS OF CPDC ELSEC EETF DSP AND ANSP ETC AT RCI HYDERABAD UNDER GE I RND RCI HYDERABAD

Amount

Taking down existing roof treatment of any description including cement plaster/padding concrete on concrete surface of roof slab upto original roof slab including cleaning and disposal of debris off the premises complete all as directed.

M&L, PCC 1:2:4, type B-0 using 12.5mm graded stone aggregate as in padding concrete/levelling course, to maintain slopes on roof and finishing the surfaces fair and even including necessary formwork and other similar work complete all as specified and directed.

M&L, APP based polymeric membrane weighing minimum 3.5 Kg/Sqm and minimum 3 mm thick, reinforced with polyester non woven fabric( weight not less than 160 grams/Sqm) laid over primed surface including bitumens primer conforming to IS-3384 applied at rate of 0.3 litre/Sqm by forced application, complete all as specified and directed.The treatment consist of

1. M&L for 10mm thick rendering in cement mortar 1:4 on concrete surfaces finished even and smooth without using extra cement mixed with liquid water proofing compound as per manufacturers and instructions after applying cement slurry @ 1.2Kg/Sqm on prepaired roof surface. 2. Applying one coat of bitumens primer conforming to IS-3384 @ 0.3Litre/Sqm 3. Laying of APP base membrane of specified thickness and weight 4.Applying one coat bitumen grade 85/25 @ 1.2 Kg/Sqm 5. M & L for cement concrete tiles 25cm x 25cm x 22 mm thick, machine pressed,set jointed and pointed in neat cementslurry in floors,and cut and polished with grey cement and no pigment and including 15mm screed bed in CM 1:4 all as specified.

M & L Cutting grooves in brick wall, 75mm wide and 65mm deep and shaping horizantal faces of grooves with cement mortar in CM 1:3 and making good in CM 1:3 after inserting membrance in to the groove.

M & L, PCC 1:2:4 Type B1 (using 20 mm graded stone aggregate)as in roof kerbs or covering rounded or chamfered on edges all as specified.

M & L for preparation of concrete surfaces by brushing, cleaning and washing all the undulations, cracks, pores cleaned and sealed with PU sealant or crack seal properly and apply 1st coat of PU Magnum @ 750gram/Sqm over a coat of epoxy primer @ 200ml/sqm and laying 30-40 GSM Geotextile with 50mm side and end lap on the layers and apply 2nd coat of PU Magnum over geotextile @ 750 gram/Sqm all as specified .Brand: Asian/Foxroc/Pedilite Note: The above item shall be executed by Auth manufacturer/auth applicator after taking prior approval from Engineer -in- Charge

M & L for Preparation of old plastered surfaces of External wall, contaminations, fungus and other micro organism growth shall be removed by mechanical means. Supply and applying Smartcare Damp proof single coats @ 0.45Ltr/Sqm over a coat of Damproof primer diluted with 33% by water and allow the coating to be cured complete as per manufacturer specifications. Brand: Asian/Foxroc/Pedilite Note: The above item shall be executed by Auth manufacturer/auth applicator after taking prior approval from Engineer -in- Charge

M & L for Preparation of old plastered surfaces of internal wall, contaminations, fungus and other micro organism growth shall be removed by mechanical means. Supply and applying Damp block-2K two coats @ 1.50Kg/Sqm in two coats. Once the coating is cured, apply a single coat of epoxy triblock 1Kg/2 Sqm and allow the coating to be cured complete as per manufacturer specifications.Brand: Asian/Foxroc/Pedilite Note: The above item shall be executed by Auth manufacturer/auth applicator after taking prior approval from Engineer -in- Charge

M & L for all the visible cracks of external wall over 0.5mm size has to be cleaned properly & the same has to be cut open to 'V' grove with the help of machine and the same has to be filled with smartcare Hybrid PU sealant complete as per manufacturer recommendations. Brand: Asian/Foxroc/Pedilite Note: The above item shall be executed by Auth manufacturer/auth applicator after taking prior approval from Engineer -in- Charge

Taking down cement plaster of any description on brick or stone walls from any height including racking out joints, hacking for key, scrubbing down with water etc., complete all as specified and directed.

Demolition of brickwork or stone/boulder masonary built in cement mortar including all quoins,arches,pillars,etc, but excluding ashlar facing, dressed stonework and precast concrete articles.

M&L, brickwork with sub class 'B' bricks, straight or curved on plan exceeding 6m mean radius built in cement mortar 1:6 complete all as specified and directed.

M&L rendering 15mm thick in CM 1:4 over brick work or concrete surface and finished the rendering surfaces even and smooth without using extra cement.

Complete removal of existing treatment from external surfaces of walls thoroughly by machine grinding, scrapping, rubbing/wire brushing, sand papered and watering with jet etc., and applying two coats of weather proof anti algal exterior acrylic emulsion paint (100% acrylic), premium quality, over a coat of primer all as per manufacturer's instruction complete all as specified and as directed.

M&L, preparing old plastered surfaces of walls, ceilings, cornices, soffits of slabs and chajjas fins and facias etc., and applying one coat of weather proof anti algal exterior acrylic emulsion paint (100% acrylic), premium quality all as per manufacturer's instruction complete all as specified and directed.

M&L, preparation of old plastered surfaces of walls/ ceilings including cornices, pilasters etc., and applying one coat of distemper oil emulsion complete all as specified and directed.

Complete removal of existing treatment from internal surfaces of walls/ ceilings thoroughly by machine grinding and applying one coat of water proof wall care putty, 1mm thick (average) including rubbing/grinding with sand paper and making smooth and even surface and applying two coats of distemper oil emulsion, white or tinted over a coat of alkali resistant primer complete all as specified and as directed.

Disconnecting existing tanks of capacity exceeding 500 litres and not exceeding 1000 litres setting aside (or lowering if required) for repairs, cleaning and removing all scale and dirt etc., from tanks and from mouths of circulating pipes and hoisting as required, reconnecting and refixing in position complete all as directed.

Disconnecting existing tanks of capacity exceeding 250 litres and not exceeding 500 litres setting aside (or lowering if required) for repairs, cleaning and removing all scale and dirt etc., from tanks and from mouths of circulating pipes and hoisting as required, reconnecting and refixing in position complete all as directed.

S&F in repairs, 500 litres capacity triple layered rotational moulded polyethylene water storage tank (cylindrical vertical with closed top) hoisted and fixed in position including connecting up of existing inlet and outlet pipes and ball valve complete all as specified and as directed.

S&F in repairs, 1000 litres capacity triple layered rotational moulded polyethylene water storage tank (cylindrical vertical with closed top) hoisted and fixed in position including connecting up of existing inlet and outlet pipes and ball valve complete all as specified and as directed.

S&F, 20mm bore premium PTMT Ball valves, high pressure, with epoxy coated aluminium rod and high density plastic ball and fly nut complete, screwed for iron/GI pipe or brass ferrule complete all as specified and directed. Make:Prayag CAT No152 or equivalent as approved by GE

S&F 25mm bore premium PTMT Ball valves, high pressure, with epoxy coated aluminium rod and high density plastic ball and fly nut complete, screwed for iron/GI pipe or brass ferrule complete all as specified and directed. Make:Prayag CAT No153 or equivalent as approved by GE

S&F in repairs, 15mm bore steel water tubing, medium grade, ISI marked, galvanized, including all fittings such as bends, tees, elbows, reducers, unions, plugs, sockets etc., laid in trenches or fixed to walls and ceilings or concealed in walls, ducts/ceilings or laid in floors complete all as specified and directed.

All as per item No 24 above but 20mm bore of pipe.

Richcon Engineers (BID ID -3107607)

SM CONSTRUCTIONS (BID ID -3106870)

saradhi construction combines (BID ID -3109051)

Anjana corporation (BID ID -3104404)

SUN LIGHT HOUSE (BID ID -3107128)

M/s ANUSHA ENTERPRISES (BID ID -3106980)

M/S PAVANI ENTERPRISES (BID ID -3106166)