Cleaning Of Septic Tanks And Manholes Including Replacement Of Choked Sewerage Lines In Non Residential Areas Phase Ii Of Stc Bsf Bangalore Cleaning Of Septic Tanks And Manholes Including Replacement Of Choked Sewerage Lines In Non Residential Areas Phase

Tender Notice

28662621
Cleaning Of Septic Tanks And Manholes Including Replacement Of Choked Sewerage Lines In Non Residential Areas Phase Ii Of Stc Bsf Bangalore Cleaning Of Septic Tanks And Manholes Including Replacement Of Choked Sewerage Lines In Non Residential Areas Phase
Indian
Karnataka
28-07-2021
04-08-2021
06-08-2021

Tender Details

Cleaning Of Septic Tanks And Manholes Including Replacement Of Choked Sewerage Lines In Non Residential Areas Phase Ii Of Stc Bsf Bangalore Cleaning Of Septic Tanks And Manholes Including Replacement Of Choked Sewerage Lines In Non Residential Areas Phase Ii Of Stc Bsf Bangalore

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Tender Value
INR 87124 /-

BOQ Items

Name of Work: Cleaning of Septic tanks and Manholes including replacement of choked sewerage lines in Non-residential areas (Phase- II) of STC BSF Bangalore.
Sl. No. Item Description
1Excavating trenches of required width for pipes, cables, etc including excavation for sockets, and dressing of sides, ramming of bottoms, depth upto 1.5 m, including getting out the excavated soil, and then returning the soil as required, in layers not exceeding 20 cm in depth, including consolidating each deposited layer by ramming, watering, etc. and disposing of surplus excavated soil as directed, within a lead of 50 m : All kinds of soil. Pipes, cables etc. exceeding 80 mm dia. but not exceeding 300 mm dia .
2Surface dressing of the ground including removing vegetation and inequalities not exceeding 15 cm deep and disposal of rubbish, lead upto 50 m and lift upto 1.5 m. All kinds of soil
3Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level : 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size)
4Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level :1:5:10 (1 cement : 5 coarse sand : 10 graded stone aggregate 40 mm nominal size)
5Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in foundation and plinth in: Cement mortar 1:6 (1 cement : 6 coarse sand)
6Half brick masonry with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in foundations and plinth in :cement mortar 1:4 (1 cement : 4 coarse sand)
7Providing and fixing unplasticised Rigid PVC rain water, soil, waste and vent pipes conforming to IS : 13592Type A including jointing with seal ring conforming to IS : 5382 leaving 10 mm gap for thermal expansion. (i) Single socketed pipes. 75 mm diameter
812 mm cement plaster of mix : 1:4 (1 cement: 4 coarse sand)
912 mm cement plaster finished with a floating coat of neat cement of mix :1:3 (1 cement: 3 fine sand )
10Cleaning 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 dia for all depth.
11Providing and fixing white vitreous china flat back or wall corner type lipped front urinal basin of 430x260x350 mm or 340x410x265 mm sizes respectively.
12Dismantling of old S.W. pipes including breaking of joints and bed concrete stacking of useful materials near the site within 50 m lead and disposal of unserviceable materials into municipal dumps : 150 mm diameter
13Providing and laying non-pressure NP2 class (light duty) R.C.C. pipes with collars jointed with stiff mixture of cement mortar in the proportion of 1:2 (1 cement : 2 fine sand) including testing of joints etc. complete : 150 mm dia. R.C.C. pipe
14Constructing 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
15Extra for depth for manholes : Size 90x80 cm.With common burnt clay F.P.S. (non modular) bricks of class designation 7.5
16Cleaning of septic tanks (Any size) including taking out sludge from the septic tank and disposal of the same within 50 mtr lead as per direction of Engineer in charge.
17Providing and fixing on wall face unplasticised Rigid PVC rain water pipes conforming to IS : 13592 Type A including jointing with seal ring conforming to IS : 5382 leaving 10 mm gap for thermal expansion, (i) Single socketed pipes. 160 mm diameter
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