Construction of storm water drain with pumping station at Kamala mill colony, singanallur in ward no 60 East Zone

Amount

Earth work excavation in all soils and sub soils and the full depth as may be directed by the departmental officers with initial lead and lift and cleaning and leveling the site etc complete complying with stanard specification.

Cement concrete 1:4:8 mix one cement, four sand, eight metal)using 40mm size hard broken stones from approved quarry complying with standard specification.

Centering with steel centering for revetment, drain and culvert upto 1.20m depth using MS sheet of size 0.90x0.60m 10 gauge thick and stiffened with MS'L' angle wood runners of size 0.075x0.05 three rows with support by casurina pullys 0.075 cm at 0.45m length including cost of nails etc area 10.80sq.mtr (upto 4 feet)

Cement concrete 1:3:6 mix (one cement three sand and six aggregates) using 20mm size hard broken stones from approved quarry complying with standard specification

Supplying and erecting in the position of centering for sides and soffits including necessary supports and strutting with all cross bracings using mild steel sheet boarding etc complete

Reinforced cement concrete 1:1.5:3 mix (one cement, one and half sand, three metal)using 20mm size hard broken stones from approved quarry complying with standard specification

Plastering with cement mortar 1:5(one cement and fice of sand) 12mm thick including finishing smooth, setting, curing etc complete as directed by the departmental officers

Plastering with cement mortar 1:3 (one cement and three of sand) 12mm thick including finishing smooth, setting, curing etc complete as directed by the departmental officers

Supplying and ereting in the position of centering for sides and soffits including necessary supports and strutting with all cross bracings using mild steel sheet boarding etc complete

Reinforced cemetn concrete 1:1.5:3 mix (one cement, one and half sand, three metal)using 20mm size hard broken stones from approved quarry complying with standard specification

Supplying fabrications and placing in position RTS rods in various dia including cutting and bending tying of grills placing in position binding wire etc completed

Conveying the excavated earth from the site from 0 to 15 km lead including loading and unloading charges etc completed

Supply and fixing of 600x600mm sq. SFRC manhole cover including lid and rim etc complete

Transportation charges for 7.5HP sewage water pump set including loading and unloading lead lift etc complete

Erection charges for 7.5 HP submersible pimpset in the sump as per the direction of the departmental officers

Supply C I spceials as per IS 1538/1986 80MM TO 200MM with flange washer and necessary bolt amd nuts etc complete

Supply and erection of cubical type panel board to receie the supply from TNEB consisting of providing the fixing of EB meter fuse carriers bus bars etc complete

Supply and run of 4x4 sqmm PVC insulated SC unsheathed cu conductor of 1100v grade on 7/20 bearer wire for service connection main

Supply and run of of 4x4 sqmm PVC insulated SC unsheathed cu conductor of 1100v grade in 25mm dia GI pipe bent at both ends with necessary angle iron up right and end support for mains

Supply and fixing of 63 amps TPN metal clad switch with re-wirable fuse units (EDD 2021-2022 ANNEXURE vii PART C.3.H)

Study by an energy auditor Supply and delivery of 7.5 HP, discharge of 100 m3 per hour up to 10m to 15m head submersible centrifugal sewage nonclog pump, vertical spindle type , wear resistance capable of handling min 100 mm solid size with sewage specific gravity of up to 1.05. Pump Impeller of Non-clog semi open type, single vane / multi vane. Double mechanical seal with silicon carbide faces should be provided to protect the motor from ingress of sewage along the shaft. Pump speed of 960rpm. The submersible motor operated with 3 ph, 415 V(+ or — 10 %), 50 Hz (+ or - 5 %) dry induction type. Motor should be of 1E2, explosion proof compatible for VFD operation together with VFD starter, Insulation class shall be of “Class H” and degree of protection shall be of IP 68 as per IS 4691. Motor shall be supplied with 10 mts of round submersible copper cable of suitable Size.(TWAD Board - SOR Pg. No: 136, item No:22.0 (1))

M.Rajendran