BDOKRM/297/2025-A3/ MLACDS 25-26 / EXTENSION OF WATER PIPELINE FROM TWAD OHT (MSR) TO SUMP - CONSTRUCTION OF 60000 LITRE SUMP - PUMBING MAIN FROM SUMP TO OHT AT PUTHU SUBBULAPURAM VILLAGE IN KARISATHAN VILLAGE PANCHAYAT

A.Providing Distribution Main Line - From TWAD Over Head Tank to Sump

Supply, Delivery, Laying and Joining of 63mm OD 4Kgsc Pipe including Earthwork excavation in all clauses of Soils and Subsoils, Refilling, Hydraulic pressure testing, adopting Standard specifications as directed by the Department Officials etc., complete

D.Line 63mm dia PVC 4 Kgsc

50mm dia GI Pipe

63mm dia PVC 6 Kgsc

Earthwork excavation and depositing on bank with initial lead and lift in narrow trenches having standard bed width and gradient for laying of pipes for Water supply and Sewerage works in all classes of Soils as directed by Departmental Officers etc., complete- D.Line Trenches

Lowering and laying the PVC Pipes and specials to trench , laying to proper grade and alignment, Jointing with PVC coupler and specials fixing with Solvent cement paste etc., complete-D.Line 63mm dia PVC 4 Kgsc

Refilling with excavated soil complying with standard specification in layers of 15 cm thick well rammed and consolidated after pipes and specials are laid and tested.

B.Construction of 60000 Litre Sump

Earthwork excavation in all classes of Soils and Sub soils except hard rock requiring blasting including initial lead and lift, dressing the excavation upto bed level for Foundation as SS 20 B specification etc., complete

Supplying and filling with filling sand in layers not more than 15 cm thick including labour charges for Filling, Levelling, watering, well rammed and compacted etc., complete For Flooring Filling material

Cement Concrete 1:4:8 mix using 40mm ISS HBG metal including cost and conveyance of all materials to site, labour charges for mixing, laying, compacting and curing concrete etc., complete

Reinforced Cement Concrete 1:1.5:3 using 20mm ISS HBG metal including cost and conveyance of all maerials to site and all labour charges for mixing concrete, placing, ramming, vibrating with mechanical vibrator, consolidation and Curing etc., complete as directed by departmental officers.

Below GL: 1.50m to 4.50m

Below GL: Upto 1.50m

Above GL Upto 4.50m

Supplying and erecting centering shuttering including necessary supports for plane surface in foundation and basement and in all floors for R C C column footing column plinth beam, beams, roof slabs, staircase steps, bed blocks, critical pier etc using mild steel sheets of size 90 x 60 cm and 10 guage stiffened, welded with mild steel angles of size 25mmx25mmx3mm for boarding laid over silver oak (country wood) scantlings of size 10cm x 6.5cm spaced of about 90cm centre to centre and supported by casurina props of 10cm to 13cm dia spaced at 75cm centre to centre complete complying with standard specifications and as directed by departmental officers including conveyance of all materials to site and proper centering etc complete.

For 3.30 to 4.30 m ( Plane surface )

For 0.00 to 3.30 m ( Curved surface )

For 3.30 to 4.30 m ( Curved surface )

Supplying and fabrication of Steel Fe 415/500 grade required for all RCC item of works involved including fabrication and labour charges for Cutting, bending, tying, placing in position, includes overlaping length wherever required etc., complete

Exterior Emulsion painting two coats with best approved quality and colour paint over one coat of Base coat including cost and convyance of all materials to work site and labour charges etc., complete.

Refilling the foundation with excavated soil ( other than sand ) in layers of not more than 15 cm thick, watering, well ramming,consolidating, complying including cost of all materials, labour charges etc., complete.

C. Pumping Pipeline

Supply and delivery of Three Phase 175 lpm X 25 Mtr Head wet type 5.0 HP Openwell Submersible motor.

Supply and delivery of Three Phase 5.0HP Panel Board

Supply and delivery of 4.00 sq.mm 3 core flat type copper cable

Supply and fixing of KIOSK of size 0.75X0.45X0.75m made out of MS angles and sheet with locking arrangements

Labour charges for erection of new submersible pump set in the bore well / Openwell and commissioning

Supply and fixing of TNEB Meter Board suitable for 32A Three Phase service connection with 3 Nos. 32A Fuse unit (500V), 32A Neutral link and earth link (1inch x 1/8inch Copper flat) on TW plank of size 600mm x 450mm x 19mm with supporting TW reepers of 1inch thick on either side with painting with suitable bolt and nuts for fixing the TW plank on wall with earth connection and interconnection with 7/20 PVC insulated copper wire from EB meter to fuse unit.SD-128

Supply and delivery of direct online starter confirming to IS13947, IEC60947-1 and as amended thereafter with suitable KW rating for operation in AC/ three Phase/50HZ(+/- 5%) and 415V (+/- 10%) including Ammeter, Overload relay, under Voltage release with no Volt coil, Air Break contactors suitable for next Standard higher KW rating, Single phasing preventor, dry running preventor and On/Off Push button switches, including the capacitor.

Supply and fixing of 2 0f 4 sqmm (56/0.30) polythene insulated and PVC unsheeted Sc Alu cable of 1100V on 7/20 GI Bearer wire for service connection with necessary angle iron upright and end supports for mains SD-65