repairs and maintenance to amc school at silkmill colony hamalwada in ward no . 108 , providing second class burnt brick masonry with conventional / i . s . type bricks in cement mortar 1:6 in foundations and plinth of inner walls / in plinth external walls including bailing out water manually , striking joints on unexposed faces , raking out joints on exposed faces and watering etc . complete . item no . 27 . 01 , providing sand faced plaster externally in cement mortar using approved screened sand , in all positions including base coat of 15 mm thick in cement mortar 1:4 using waterproofing compound at 1 kg per cement bag curing the same for not less than 2 days and keeping the surface of the base coat rough to receive the sand faced treatment 6 to 8 mm thick in cement mortar 1:4 finishing the surface by taking out grains and curing for fourteen days scaffolding etc . complete . item no . 32 . 11 , providing and fixing 50 mm . dia . medium class g . i . pipe gate with wicket gate of approved drawing with all fixtures and fittings in two leaves with strong hold fast embedded in c . c . block at top and bottom with locking arrangement including cutting , bending , making holes and with one coat of primer etc . complete . item no . 35 . 13 , providing and applying two coats of water proof cement paint of approved manufacture and of approved colour to the plastered surface including scaffolding if necessary , cleaning and preparing the surface , watering for two days etc . complete . item no . 35 . 13 , providing cement based water proofing treatment to terrace ( indian water proofing or alike ) with brick bats laid in required slope to drain the water for any span after cleaning the base surface . applying a coat of cement slurry admixed with approved water proofing compound and laying the brick bats on bottom layer in c . m . 1:5 admixed with approved water proofing compound filling up to half depth of brick bats , curing this layer for 3 days , applying cement slurry over this layer joints of brick bats with c . m . 1:3 admixed with approved water proofing compound and finally top finishing with average 20 mm . thick layers of same mortar added with jute fiber at 1 kg per bag including finishing the surface smooth with cement slurry admixed with approved water proofing compound . marking finished surface with false squares of 300mm x 300mm . making the junctions at the parapet rounded and tapered top for required height , with drip mould at the junction of plaster and parapet and curing and covering 10 years guarantee against leakproofness on court fee stamp paper of rs . 500/- including ponding test etc . item no . 31 . 04 , providing and fixing on walls / ceiling / floors 20 mm dia . heavy grade having embossed as isi mark galvanised iron pipes of 1 . 93 kg / meter with necessary fitting remaking good the demolished portion and applying primer of anti-corrosive oil paint , 2 coats including necessary scaffolding and removing existing pipe line if necessary and conveying and stacking the same in pwd chowky or as directed etc . complete . item no . 41 . 11 , providing and fixing on walls / ceiling / floors 15 mm dia . heavy grade having embossed as isi mark galvanised iron pipes weight of 1 . 48 kg / metre with necessary fittings . remaking good the demolished portion and applying primer of anti-corrosive oil paint 2 coats including necessary scaffolding and removing existing pipe line if necessary and conveying and stacking the same in pwd chowky or as directed etc . complete . item no . 41 . 1 , providing and fixing 15 mm dia . screw down bib / stop tap of brass including necessary socket union nut complete . item no . 41 . 4 , providing and fixing h . d . p container syntex of alike one piece moulded water tank made out of high density polythyler and built corrugated inclusive of delivery up to destination hoisting and fixing of accessories such as inlet , outlet overflow pipe inclusive of all tanks capacity between 200 to 1000 liters