Reconstruction of Storm water drain and culvert at Kattor street Saraswathi Garden in ward no6 East Zone

Amount

Desilting the existing channels/drain with initial lead and lift deploying earth moving machineries and forming bund on either side and depositing the earth/silt on bank including clearence

Dismantling the old damaged cement concrete walls compacted etc complete complying with standard specification.

Earth work excavation for foundation in hard stiff clay stiff black cotton, hard red earth, shales murram, gravel, stoney earth and earth and earth mixed with small size boulders SS.20B and sand, silt or other loose soil, wet sand or silt not under water light black cotton soil, sandy loam ordinery soil and to full depth as may be directed wherever necessary refilling the sides of foundation with excavated soil other than sand in layers of 15cm thick well rammed and cleaning and leveling the site etc complete

Plain cement concrete 1:4:8 (one cement, four sand, eight aggregate) using 40mm gauge hard broken granite stone jelly for foundation incluidng dewatering if found necessary and laid in layers of not more than 15cm thick and compacted etc completed complying with standard specification

Supplying and erecting steel centering including necessary supports for plane surfaces for which require only nominal strutting using mild steel sheets of sixe 90cmx60cm and 10BG STIFFENED WITH WELDED MILD steel angles of size 25mmx25mmx3mm for boarding, laid over silver oak joists of size 10cmx6.5cm spaced at about 75cm centre to centre or at suitable intervals etc complete in all floors complying with standard specification

Supplying and erecting steel centering including necessary supports for plane surfaces for reinforced cement concrete works such as column footings, column pedestals, plinth beams, grade beams, staircase steps etc which require onlu nominal strutting using mild steel sheets of size 90cmx60cm and 10BG stiffened with welded mild steel angles of size 25mmx25mm x3mm for boarding,alid over silver oak joists of size 10cmx6.5cm spaced at about 75cm centre to centre or at suitable intervals etc complete in all floors complying with standard specification.

Cement concrete 1:3:6 (one cement, three sand and six aggregate) using 20mm hard broken granite sone jelly for all CC items of work excluding centering, shuttering, and cost of reinforcement grill but including curing finishing etc complete fixtures in CC works wherever necessary as directed by departmental officer etc complete

Supplying and fabricating and placing in position MS steel or ribbed for steel for all reinforced cement concrete work s as per the design given including cost of steel and binding wire in all floors etc complete complying with stanard specification

Reinforced cement concrete 1:1.5:3 (one cement, one

Supplying and fixing of 600 mm diameter SFRA(218 kgs) heavy duty man hole cover etc complete as directed by departmental officer etc complete

Plastering with cement mortar 1:5 (one cement and five sand by volume)12mm thick for all internal/external surfaces like super structure,rainwater,ducts,elevation in all floors complying with standard specifications

Supply and delivery of the following materials approved brand as per list with ISI marking and an approved by corporation officers

63mm dia PVC pipe of 6kg/cm2

63mm dia PVC elbow

63mm dia PVC Tee

63mm dia PVC Coupling

63x20mm dia PVC saddle

63mm dia PVC end cap

N S P ASSOCIATES (BID ID -1180360)

ABBI ASSOCIATES (BID ID -1188640)