Upgradation of Existing Infrastructure at PWD(RandB) Satwari Quarters.

Providing and fixing of 3 mm thickness APP sheet polyester based sheet black Cemented surface by following method Cleaning the surface with wire brush to make the sueface free from all loose particales, dust, etc then reparing/ making the corner fillets dips with pidicrete urp 301 or equivalent waterproofing compound in cement and sand mortor 12mm to 18 mm thick & with PCC 1;2;4 mix . (I) applying with shalitex stp primer for bitumens membrane @0.40 liters/Sqm (II) Mt. by the 3mm thickness APP superthermoly Stp black sheets polyester based sheet black finishing manufac (III) cut 1'' deep groove above the roof surface on the papapet wall and seal edge of APP superthermoly stp polyester sheet into the groove with polymer modified mortar (IV) in case of low height papapets, terminate APP superthermoly stp polyester sheets over the papapet (V) for over lapping of joints, rub the polythylene side of membrane by wire brush, apply shall bond APP over the rubbed area , allow it to the tackle and then fix the bituminous side of APP sheet polyester with hot application (VI) for longitudinal and transverse joint overlaps of 75mm and 100mm respectively as desired. The vital physical and chemical parameter of the membrane shall as under:- Softening point of membrane not less them 150*C cold flexibility shall be upto 0*C when tested in accordance with ASTM, Joint strength in longitudinal and transverse direction at 1223*C as 350/300 N/5cm. Tear strenght in longitudinal and transverse direction as 60/80N in 3mm thick, the weight of roll (40 KG for 1 mtr bt 10 mtrs) the laying of membrane shall be got done through the certified applicator.

Providing and placing on terrace (at all floor levels) polyethylene water storage tank ISI : 12701 marked, with cover and suitable locking arrangement and making necessary holes for inlet, outlet and overflow pipes but without fittings and the base support for tank

Structural steel work in built up sections, trusses and framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete. Welded

Providing and fixing glazed shutters for doors, windows and clerestory windows using 4mm thick float glass panes including ISI marked M.S. pressed butt hinges bright finished of required size with necessary screws.Second class deodar wood 30 mm

Providing and fixing wire gauze shutters using galvanized M.S. wire gauze of average width for aperture 1.4 mm in both directions with wire of dia. 0.63 mm for doors, windows and clerestory windows with ISI marked M.S. pressed butt hinges bright finished of required size with necessary screws as per direction of Engineer-in-charge Second class deodar wood

Painting steel work with deluxe multi surface paint of required shade to give an even shade. Two or more coats applied @ 0.90litre/10sqm over an under coat of primer applied @ 0.80litre/10sqm of approved brand and manufacture

Painting with synthetic enamel paint of approved brand and manufacture to give an even shade. Two or more coats on new work

Repairs to plaster of thickness 12mm 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 : 4 fine sand)

Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes, having thermal stability for hot and cold water supply, including all CPVC plain and brass threaded fittings. This includes jointing of pipes and fittings with one step CPVC solvent cement and testing of joints complete as per direction of Engineer-in-charge. Internal work Concealed fixing the pipe with clamps at 1.00 meter spacing including cutting chases and making good the wall etc.15 mm nominal outer dia

Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes, having thermal stability for hot and cold water supply, including all CPVC plain and brass threaded fittings. This includes jointing of pipes and fittings with one step CPVC solvent cement and testing of joints complete as per direction of Engineer-in-charge. Internal work Concealed fixing the pipe with clamps at 1.00 meter spacing including cutting chases and making good the wall etc.20 mm nominal outer dia