Maintenance and Repair works to ugd Chambers and Replacing damaged UGD Main line,Raising of existing UGD chambers, in ward no 63 Areas

Amount

Dismantling the old damaged RCC Slab etc compliete.,

Dismantling the Old damaged PCC Wall etc.,complete

Earth work excavation in all soils and sub soils to full depth as may be directed by the departmental officers except in hard rock requiring blasting but inclusive of shoring, strutting and balling out water wherever nessasary and depositing the surplus earth within initial lead of 10 metre and initial lift of 2 metre etc., complete as per Standard specifications SS

Earth work excavation in all soils with initial lead & lift etc. complete as per direction of departmental officers including Refilling.

Earth work excavation and depositing on bank with initial lead of 10m and lift of 2.00m in narrow trenches for laying of pipes for water supply and sewerage works in the following types of soil strata as directed by departmental officers(In hard rock including blasting, removal and stacking)

Cement concrete 1:4:8 (One cement four sand Eight broken stone) using 40mm guage hard broken granite stone jelly for no more than 15cm thick, compacting etc., complete complying with standard.

Supplying and delivery of 9'' dia (230mm )stoneware pipe inlcuding spun yarn cement moratar and labour charges etc., complete

230mm 9// dia stone ware pipe

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 0.075 X 0.05 three rows with 270.30 M2 support by casurina pullys 0.075 cm at 0.45 m length including cost of nails etc., Area. 10.80 sq.mtr (upto 4 Feet)

Plain Cement concrete of 1:2:4 using 20mm jelly for chamber side wall

Supplying and fixing of Steel steps for chambers etc., complete.

Plastering with cement mortar 1: 5 mix (One cement and five sand) 12 mm thick including cost and conveyance of all materials,finishing,curing,and all labour chargesetc.completeas Standard specification.

Supply and erecting centering for sides and soffits including supports and strutting upto 3.29m high for plane surfaces such as RCC slabs, Rectangular beems,Tee (or) ECC Beam, Lintel, Bed Block, Staircase waistand landing slabs landing beams, canopy etc., in all floor with all cross bracings using mild steel sheets of size 90cm X 60cm and BG 10 stiffened with welded mild steel angles of size 25mm X 25 X 3mm for boarding laid over country wood joinsts of size 10cm X 6.50 cm spaced at about 90cm C/C and supports by Causrina props of 10cm to 13cm dia spaced at 75cm C/C etc., completed as directed. Sl.No.123

Supplying and fabrication and placing in position steel reinforcement using mild steel/Ribbed for steel rods for all RCC work as per the design given including cost of steel and binding wire in all floors complying with standard specification and drawings etc..,

Supplying and fixing of SFRC manhole cover of size 600mm diameter frame, counter sunk holding screws, etc., complete complying with standard specification at all leads & lifts

Reinforced Cement concrete M20 (Mix 1:1 ½ :3 one part of cement, one half parts of sand and three parts of 20mm hard blue granite metal by volume, characteristic strength not less than 20 N / Sqmm machine mixed, for all reinforced cement concrete works, including scaffolding, cost of all materials, machine mixing, vibrating, lifting curing, labour charges for laying & finishing etc., but excluding the cost and fabrication of reinforcements and also excluding centering and formwork etc., completer complying with the relevant standard specification at all leads inside the building.

Conveyance the excess earth or earth not suitable for refilling, dumpling and spreading, leveling of the same at places of dump approved by departmental officers and as directed including lorry hire charges, labour for loading, unloading, spreading, leveling, making approaches for areas of dumps etc., complete

Add :- GST @ 18%

K SUNDARAM (BID ID -1235088)