Repair to Roof Treatment in Technical Area at AF Stn Sirsa

Amount

Dismantling/removing of old roof treatment on RCC roofs, of any type any thickness any pattern including dismantling of old brick/PCC tiles and mud phuska including screed bed and cleaning the roof surfaces by brushing, sweeping and scrubbing down with water and removal of debris and disposing outside MOD area complete all as specified and as directed. (NOTE: Demolition of concrete over RCC roof, if any below roof treatment, shall be measured seperately)

Removal of existing bituminous felt/APP membrane water proofing treatment of any description from RCC roofs surface including cement plaster/screed bed carefully from the surfaces and cleaning the roof surfaces by brushing, sweeping and scrubbing down with water and removal of debris and disposing outside MOD area complete all as specified and as directed. (NOTE: Demolition of concrete over RCC roof, if any below roof treatment, shall be measured seperately)

Demolition of plain cement concrete padding over roof of buildings and removal of debris and disposing outside MOD area complete all as specified and as directed.

M&L for Roughening of old surfaces of RCC roofs by picking, wire brushing, sweeping clean for removing dust, dirt and layers of de-bonded screed/concrete over the surface etc and washing down with water to remove dust etc and brushing neat cement slurry @ 2.75 kg per sqm complete all as specified and directed.

M&L for cutting out cracks, joints & corners over RCC roofs & terraces using mechanical tools, cleaning out and properly repairing and sealing cracks, grooves, joints, corners and junctions with suitable crack filler/polymer mortar etc including drilling holes at construction joints and identifying damaged/honeycombed concrete surface and fixing complete all as specified and as directed by Engineer In Charge. (NOTE: Cost of polymer mortar/crack filler etc shall be deemed to be inclusive in the quoted rates)

M&L for providing Cement Concrete 1:2:4 type B0 (using 12.5mm graded crushed stone aggregate) as in padding over roof slabs, laid to required slope, roof kerbs or mud stops, rounded or chamfered on edges complete all as directed by Engineer In Charge.

M&L for Rendering 10mm thick in Cement Mortar 1:3 on Brick Walls/Concrete Surfaces mixing with WPC as per Manufactures instruction, Plastered Surfaces finished Fair and Even, complete all as specified and as directed. NOTE : WPC shall be Measured and Paid for as ‘Supply only’ separately under appropriate Item.

Supply only liquid Water Proofing Compound, conforming to IS and/or as approved, complete all as specified.

M&L for cleaning, dusting and washing the entire surface of roof and parapet walls, priming with suitable polyurethane/epoxy primer @ 0.20 Kg/sqm on a sound surface, allowing to dry for 6-8 hours and then applying elastomeric polyurethane waterproofing treatment in 2 coats (as per manufacturer's specifications) including laying Fiber Mesh of 40 GSM between first and second coat and continuing same treatment to the parapet walls for better enveloping the whole area and caerefully terminating the coating to the other side of the parapet wall complete all as specified and as directed. (NOTE : The work shall be carried out only by authorised applicator of the manufacturer. Contractor shall submit details of the products to be used for roof treatment and obtain prior permission of the Accepting Officer before execution of works)

M&L for Rendering 10mm thick in Cement Mortar 1:4 on Concrete Surfaces (as protecting layer of water proofing treatment) mixed with water proofing compound as per manfacturer's specifications, complete all as specified and as directed. NOTE : WPC shall be Measured and Paid for as ‘Supply only’ separately under appropriate Item.

M&L for water proofing treatment on existing cleaned RCC roof with the following specifications and manufacturer's instruction complete all as specified and directed :- (i) Preparing and cleaning of fully dried surfaces as per IS 3067-1966. (ii) Applying oil/solvent based bitumen primer conforming to IS:3384-1968 over the cleaned base @ 0.50 litre per sqm. (iii) Providing a layer of 3 mm thick APP modified pre-fabricated five layer, weight not less than 3.6 kg/sqm, black finished reinforced with non-woven polyster matt membrane with butane torch application. Overlap shall be minimum 100 mm on the transverse direction and 75 mm on longitudinal direction. (iv) Applying a coat of blown type bitumen of grade 85/25 heated to a working temperature of 180 degree C and applied @ 1.20 Kg per square metre of the surface area. (v) Sealing of all angles & abutments upstands with extra care to ensure perfect bondage. Sealing of edges well into grooves & protect the seal with a polysulphide/polyurethane sealant.

M&L for water proofing treatment on existing cleaned RCC roof with the following specifications and manufacturer's instruction complete all as specified and directed :- (i) Preparing and cleaning of fully dried surfaces as per IS 3067-1966. (ii) Applying oil/solvent based bitumen primer conforming to IS:3384-1968 over the cleaned base @ 0.50 litre per sqm and allowing to dry till tack free. (iii) Providing a layer of 3 mm thick APP modified pre-fabricated five layer, weight not less than 3.6 kg/sqm, black finished reinforced with non-woven polyster matt membrane with butane torch application. Overlap shall be minimum 100 mm on the transverse direction and 75 mm on longitudinal direction. (iv) Providing a layer of 150 GSM non-woven geo textile of approved make and laid over the APP membrane and bonded to the water proofing membrane with intermittent touch by heating the membrane by Butane torch as per manufacturers recommendations. (v) Sealing of all angles & abutments upstands with extra care to ensure perfect bondage. Sealing of edges well into grooves & prtect the seal with a polysulphide/polyurethane sealant.

M&L for 40mm thick brick tiles laid on 15mm thick cement mortar 1:6 and joints grouted flush in cement mortar (1:3) mixed with 5% of crude oil by weight of cement complete all as specified and as direced.

Labour only for 40mm brick tiles laid on 15mm thick cement mortar 1:6 and joints grouted flush in cement mortar (1:3) mixed with 5% of crude oil by weight of cement complete all as specified and as direced. NOTE: Servieable items obtained from item No. 01 may be used.

Labour only for Cement concrete tiles of any size, machine pressed; set jointed and pointed in neat cement slurry in roof complete all as specified and as directed. NOTE: Servieable items obtained from item No.01 may be used.

Taking down Cement Plaster including raking out Joints, hacking for Key, scrubbing down with Water and removing Debris, etc. to outside MD/AF Land, complete all as specified and as directed.

M&L for 15 mm thick plastering in two layers, 10 mm + 5 mm in cement mortar 1:4, top layer of 5 mm thickness mixed with with water proofing compound (@ 200 ml per bag of cement or as per manufacturer's instructions) on brick/stone walls or concrete surfaces finished even and fair (upto any height) for external surfaces complete all as specified and directed. Note : Water Proofing compound shall be measured and paid separetly as "Supply only"

M&L for preparation of newly plastered surfaces and applying two coats of exterior acrylic emulsion weather proof paint over a coat of primer to new wall surfaces of any description, over 10cm width or girth not otherwise described, as per manufactuirer's isntructions, upto 4 storey height complete all as specified and as directed.

S&F in repair PVC (SWR) pipes 110mm OD, type 'A', single soceted in any length with rubber ring joints laid in trenches or in floors or fixed to walls wih clamps add fixed in repairs complete all as specified and directed.

S&F in repair PVC (SWR) bends any radius, type 'A', suitable for 110mm OD pipe complete all as specified and as directed.

Disconnecting exiting water storage Tank of capacity exceeding 500 litres but not exceeding 1000 liters for cleaning of water tank, removing of mud, sludge etc and flushing with chlorine water including supply and fixing of any damaged accessories for water tank and re-connecting and refixing all connections complete all as specified and directed.

Taking up or down Steel Tubing 15mm bore (dia) and Connections, segregating the Serviceable Pipes and Connections, stacking properly at Site(s) and keep in Safe Custody for re-use, complete all as specified and as directed.

Taking up or down Steel Tubing 20mm bore (dia) and Connections, segregating the Serviceable Pipes and Connections, stacking properly at Site(s) and keep in Safe Custody for re-use, complete all as specified and as directed.

Supply & laying Steel Water Tubing 15mm bore (dia), Galvanised, ‘medium grade’ with all Fittings, fixed on Walls, Ceiling or laid in Floors or any other situation, complete as all specified and as directed.

Supply & laying Steel Water Tubing 20mm bore (dia), Galvanised, ‘medium grade’ with all Fittings, fixed on Walls, Ceiling or laid in Floors or any other situation, complete as all specified and as directed.

Fixing old Steel Tubing 15mm bore (dia) and Connections including cleaning both inner and outer surfaces of Pipes by using Wire Brush including provision of new GI Connections (as required/ ordered at Sites), complete all as specified and as directed.

Fixing old Steel Tubing 20mm bore (dia) and Connections including cleaning both inner and outer surfaces of Pipes by using Wire Brush including provision of new GI Connections (as required/ ordered at Sites), complete all as specified and as directed.

Supply, hoisting and fixing rotational moulded polyethylene water storage tank (cylindrical vertical type with closed top) of capacity 1000 Litres, multi-layered (ISI marked), with GI long screw, GI tank nipple & cover, hoisted and fixed in position all as specified in SSR Part-I incl dismantling of existing unsv tank complete all as specified and directed.

S&F in repair ball valves high pressure of PTMT with epoxy coated aluminium rod and high density plastic ball screwed for iron pipe 20 mm bore complete all as specified and directed. (MAKE : PRAYAG, Cat No: 152 or equivalent model in JEXON / POLYTUF / SHAKTI)

M/s MANN CONSTRUCTIONS

M/s Satguru Traders

RAGHAV ELECTRICALS