Bharat Sanchar Nigam Limited Tender
Karnataka, also known as Karunadu, is a state in the southwestern region of India. Karnataka was formed originally as Mysore State on 1st November 1956 and currently is the biggest state in south India. Its capital and largest city is Bengaluru. It covers an area of 191,791 km2 (74,051 sq mi) and is the sixth largest state by area comprising 31 districts. Karnataka is also a state of multiple languages; Kannada being the official and most widely spoken language in Karnataka. Other languages spoken in the state include Tamil, Telugu, Malayalam, Kodava, Konkani and much more.Karnataka tenders are issued by the government of Karnataka, public & private sector organisations. The state government issues majority of the Karnataka tenders, which are for goods and services including construction, road and bridge construction, IT services, engineering services, medical services, educational services amongst many others. Bidassist is one of the largest eprocurement portals, which offers all government tenders from across the world in one place. Bidassist offers information on all Karnataka tenders and other state and authority tenders in no time. Bidassist is a platform where users can look for various Karnataka tenders as well as other tenders.
Bharat Sanchar Nigam Limited - BSNL Tender
Civil And Construction
Drainage Work
Eprocure
Opening Date13 Jun 2024
Closing Date22 Jun 2024
Tender Amount₹ 2,60,978
Costs
EMD
₹ 5,220Document Cost
₹ 590Tender Fee
Refer Documents
Description
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Contact
Tender Id
2024_BSNL_198295_1Tender No
26/EEC/BSNL/CD/BGL/2024-25Tender Authority
Bharat Sanchar Nigam Limited ViewPurchaser Address
-Website
http://etenders.gov.in
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Documents
Diversion of defunct drainage line and manholes behind B1B8 staff quarter and repairs to UG tanks 2nos to prevent rain water intrusion at CMH compound Indiranagar Bengaluru
Diversion of defunct drainage line and manholes behind B1B8 staff quarter and repairs to UG tanks 2nos to prevent rain water intrusion at CMH compound Indiranagar Bengaluru.
BOQ Items
All kinds of soil- Pipes, cables etc. exceeding 80 mm dia. But not exceeding 300 mm dia metre
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Extra rates for quantities of Earth work in excavation executed: (Note- The extra percentage rate is applicable in respect of each item but limited to quantities of work executed in these difficult conditions. The unit, namely, metre depth, to be considered for payment, shall be the depth measured from the sub soil water level up to the centre of gravity of the qty executed in difficult conditions. The depth shall be reckoned correct to 0.10 m, 0.05 m or more shall be taken as 0.10 m and less than 0.05 m ignored.
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In or under foul position, including pumping out water as required for All kinds of soil.
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Earth work in excavation by mechanical means (Hydraulic excavator) / manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, lift upto 1.5 m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m.
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All kinds of soil.
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Ordinary rock
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Cutting tree roots encountered in foundation trench to receive bed concrete using carpenters saw, power cutter saw and axe wherever required complete as directed and disposal of debris to a lead of 50m.
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Roots in trench of area upto 1.50sqm
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Dismantling of manhole including R.C.C. top slab, C.I. cover with frame, including stacking of useful materials near the site and disposal of unserviceable materials within 50 m lead as per direction of Engineer-in-charge:
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Rectangular manhole 90x80 cm and 45 cm deep
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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
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Dewatering sewage water entering in excavated trenches of manholes/pipe lines with 1HP submersible sewage pump and HDPE/PVC hose pipe up to 50m for discharge of sewage water to nearby municipal drain ( rate shall be quoted for hire, carriage & operation charges of pump & hose pipe)
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Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level :
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1:4:8 (1 Cement : 4 coarse sand(zone-III) derived from natural sources : 8 graded stone aggregate 40 mm nominal size derived from natural sources).
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Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 m and lift up to 1.5 m.
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Providing and laying under ground low density foamed cellular wall PVC pipes and collars conforming to IS:16098 (PART-1) including fixing pipe ends with solvent based cement adhesive in proper alignment complete as directed. (Note: The joint shall be tested for leakage before covering with infill material over the pipes)
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160mm diameter PVC pipe of SN4 class, self fit type
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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
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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
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Extra for depth for manholes :
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Size 90x80 cm With common burnt clay F.P.S. (non modular) bricks of class designation 7.5
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Making connection of drain or sewer line with existing manhole including breaking into and making good the walls, floors with cement concrete 1:2:4 mix (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) cement plastered on both sides with cement mortar 1:3 (1 cement : 3 coarse sand), finished with a floating coat of neat cement and making necessary channels for the drain etc. complete :
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For pipes 100 to 250 mm diameter
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12 mm cement plaster of mix :
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1:4 (1 cement: 4 fine sand)
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Providing and fixing in position Fibre Reinforced Polymer (FRP) cover LD class- 2.50T (THERMODRAIN /NEXGEN or equivinalent) with matching frame including fixing with nails/screws, removing existing damaged frame and disposal of the same complete as directed by E-I-C.
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Rectangular cover with frame of size-710x535mm and opening of size - 450 x 600mm
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Dismantling old plaster or skirting raking out joints and cleaning the surface for plaster including disposal of rubbish to the dumping ground within 50 metres lead.
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Cement plaster 1:3 (1 cement: 3 coarse sand) finished with a floating coat of neat cement.
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20 mm cement plaster
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Extra for providing and mixing water proofing material in cement plaster work in proportion recommended by the manufacturers.
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Neat cement punning
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Providing and applying a polymer modified cementitious coat (Nitocote CM210 of FOSROC or equivalent product approved for use in contact with potable water) in water tank on the concrete wall/base with roller /trowel to form impermeable coat for resisting negative /positive water pressure and bridging of fine cracks including throughly cleaning & washing the substrate before application, mixing the cementitious powder and polymer liquid in a proportion specified by manufacturer
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Repairs to plaster of thickness 12 mm to 20 mm in patches of area 2.5 sq.meters and under, including cutting the patch in proper shape, raking out joints and preparing and plastering the surface of the walls with mixture of Rapid setting cement based, water leak plugging mortar (Renderoc plug of FOSROC or equivalent) and 25% fine grade M-Sand by volume complete, including disposal of rubbish to the dumping ground, all complete as per direction of Engineer-in-Charge.
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Disposal of building rubbish / malba / similar unserviceable, dismantled or waste materials by mechanical means, including loading, transporting, unloading to approved municipal dumping ground or as approved by Engineer-in-charge, beyond 50 m initial lead, for all leads including all lifts involved.
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