Tender For Maintenance To Sewage Disposal System In Residential & Institutional Area At Nstl And Installation Kalinga, Visakhapatnam., Visakhapatnam-Andhra Pradesh
TDR : 55945051
Tender Notice
BOQ
18 Days Left
Visakhapatnam
Andhra Pradesh
Tender For Maintenance To Sewage Disposal System In Residential & Institutional Area At Nstl And installation Kalinga, Visakhapatnam.
Name of Work:- MAINTENANCE TO SEWAGE DISPOSAL SYSTEM IN RESIDENTIAL & INSTITUTIONAL AREA AT NSTL AND INS KALINGA, VISAKHAPATNAM.
Sl. No.
Item Description
1
Cleaning and desilting of gully trap chamber, including removal of rubbish mixed with earth etc. and disposal of same, all as per the direction of Engineer-in-charge.
2
Cleaning of chocked sewer line by diesel running vehicle mounting hydraulic operated high pressure suction cum jetting sewer cleaning machine fitted with pump having 4000 litres suction capacity and 6000 litres water jetting tank capacity including skilled operator, supervising engineer etc. for cleaning and partial desilting of manholes and dechocking of sewer lines. Dechocking and flushing of sewer line from one manhole to another by high pressure jetting system of 2200 PSI for sewer line from 150mm dia upto 300mm.
3
Constructing brick masonry manhole in cement mortar 1:4 ( 1 cement : 4 coarse sand ) with R.C.C. top slab with 1:1.5:3 mix (1 cement : 1.5 coarse sand (zone-III) : 3 graded stone aggregate 20 mm nominal size), foundation concrete 1:4:8 mix (1 cement : 4 coarse sand (zone-III) : 8 graded stone aggregate 40 mm nominal size), inside plastering 12 mm thick with cement mortar 1:3 (1 cement : 3 coarse sand) finished with floating coat of neat cement and making channels in cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) finished with a floating coat of neat cement complete as per standard design :Inside size 90x80 cm and 45 cm deep including C.I. cover with frame (light duty) 455x610 mm internal dimensions, total weight of cover and frame to be not less than 38 kg (weight of cover 23 kg and weight of frame 15 kg) : With common burnt clay F.P.S. (non modular) bricks of class designation 7.5.
4
Making soak pit 2.5 m diameter 3.0 metre deep with 45 x 45 cm dry brick honey comb shaft with bricks and S.W. drain pipe 100 mm diameter, 1.8 m long complete as per standard design. i) With common burnt clay F.P.S. (non modular) bricks of class designation 7.5.
5
Supply Installation of Heavy Duty Underground Septic Tank capacity 5000Ltrs all complete as per direction by Engineer -in-Charge. Please Enable Macros to View BoQ information
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