15th Finance 2024-2025

Earthwork excavation for foundation in all soils and sub soils in hard stiff clay, stiff black cotton, hard red earth, shales, murram, gravel, stoney earth and earth mixed with small size boulders and to full depth as may be directed,except in hard rock,requiring blasting including shoring and shuttering and bailing out of water wherever necessary,refilling the sides of foundation with excavated earth or sand in layer of not more than 15cm thick.well rammed and consolidated and depositing on bank with initial lead and lift of 10m & initial lift of 2m and depositing the surplusr earth within the compound in places shown by the departmental officers with iniital lead and lifts,clearing and levelling the site etc., complete as per SS20B and as directed by departmental Engineers(TNBP No.17,23,24). - 1 M3

Supplying and Filling in foundation and basement with Filling M-Sand in layers of not more than 15cm thick well rammed,watered consolidated including cost and conveyance of materials and labour charges etc., complete as per Standard Specification and as directed by departmental Engineers(TNBP No.24&25).

Plain Cement Concrete 1:4:8 mix (One Cement, Four Fine Aggregate and Eight Coarse Aggregate) Using 40mm ISS HBG metal for foundation and basement including dewatering if found necessary and laid in layer of not more than 15cm thick and consolidated including all cost conveyance of materials and labour charges etc. complete as per standard specifications and as directed by departmental Engineers (TNBP No.28).

Brick Work in CM 1:5 (One part of cement & five parts of M- sand) mix using Third Class Country Brick Kiln Burnt bricks 8 ¾ " x 4 ¼ " x 2 ¾" including cost and conveyance of materials to work site and including all labour charges for mixing, laying, curing the concrete etc., complete as per standard specifications and as directed by departmental Engineers – TNBP No:31 - Upto Basement

Plastering with CM 1:5 (One part of cement & five parts of P-sand) mix for 12mm thick including cost and conveyance of all materials to work site and including all labour charges for mixing, laying, curing,finishing etc., complete as per standard specifications and as directed by departmental Engineers – TNBP No:56&57

Painting two coats with ready mixed Plastic Emulsion Paint S.I.358 Plastic emulison paint of'approved quality and colour over a priming coat, including thorough scraping, clean removal of dirt, etc complete and including necessary plaster of paris, putty, wherever required including cost and conveyance of all materials etc.and all lobour charges etc.complete as per Standard specification and as directed by the departmental officers. TNBP No:66-A.

Drilling of Borewells anywhere in Tamilnadu including transportation from one place to another with in Tamilnadu in alluvial soil sedimentary strata of clay and sand stone shale pebbles boulders etc. By first taking a pilot bore of 150 mm/200mm dia and then enlarging to required dia direct or reverse rotary mud circulation method using rotary rigs fuel, labour and drilling bentonite and water required for drilling at site. Site will be shown by the TWAD Board officers including construction of mud pit. A - Upto 60 mt. Depth ending below ground level

From 60 m upto 90 m Depth ending from ground level

From 90 m upto 120 m Depth ending from ground level

Reaming 140/150 mm dia pilot bore to 300mm dia bore as directed by the TWAD Board Officer - Upto 60 mt. Depth ending below ground level

From 60 m upto 90 m Depth ending from ground level

From 90 m upto 120 m Depth ending from ground level

Supply of the following casing pipes of ISI approved quality with wall thickness not less than 7.5mm to 8.5mm with PVC couplers and cement Paste etc. Complete and including packing the annular space with pebbles quality and size of pebbles and the PVC pipe should be approved by the departmental officer. - 150mm dia OD PVC Plain casing Pipe

150mm dia OD PVC slot casing Pipe

150mm dia OD PVC end cap

Labour Charges for inserting PVC Casing pipes assembly (with slots or without slots) in the drilled hole including jointing the pipes with PVC Couplers with Cement paste etc., complete supply and packing the annular space with pebbles of size and quality as approved by the executive engineers

Charges for developing the borewell with air compressor of 600 cfm capacity (Minimum 8 Hours) including transportation labour and fuel charges for compressor as directed by TWAD Board officers and conducting yield test by 'V' notch method.

supply and delivery of 2 HP Single phase Submersible pumpset of duty condition 20 lpm x 150 m as per IS 8034 without panel board etc complete as per standard specification.

Supply of Single phase Pannel board suitable for 2HP with two level guard and auto start etc complete as per standard specification.

Supply and delivery of Flat cable suitable for submersible pumpset 2.5sq.mm

Labour charges for the errection of 2HP submersible pumpset in the Borewell including fixing and jointing submersible cable with proper clamps upto the starter to required depth and also fixing of riser pipes to the required depth walls errection clamps pressure gauges up to the exterior wall of pumping room and errection of panel board consisting of DPICN switches starter volt meter ammeter, Three Pilot ( Indicating ) lamps capacitor single phasing preventer water level guard and laying and jointing the cable s and twin earthing as per IE rules etc complete and testing to the pumpset and trial run for 10 Days.

Supplying and fixing of pipe and accessories ISI make including cutting and threading cost and conveyance of all charges etc complete as per standard specification. - UPVC 32mm pipe PWD Schedule of rates

Nylon Rope for Bore-well

Supply and run of 2 of 4 sq.mm (56/0.3) PVC insulated SC unsheathed Cu.Conductor of 1100V grade in 25mm dia GI pipe (Class 'B') suitably bent at both ends with necessary angle iron upright and end supports for mains SD 70

Supply and fixing of 32 Amps DP Switch of 500V with metal clad with fuse and neutral (Side Handle) on suitable TW Board with PWD Earthing SD 143

Supply and fixing of TNEB meter Board suitable for 32A Three Phase service connection with 32A Fuse unit (500V) 32A neutral link and earth link (1" x 1/8" Copper flat) on TW plank of size 375mm x 300mm x 19mm with supporting TW reepers of 1" thick an either side with painting with suitable bolt and nuts for fixing the TW plank on wall with earth connection and inter connection with 7/20 PVC insulated copper wire from EB meter to fuse unit. SD127

Supply and delivery and fixing of HDPE tank 2000 litres capacity as per IS 12701/ 1996 including loading, unloading, transportation and labour charges for fixing of the GI pipes and specials for pipe connection works including cutting, threading and fixing charges as directed by departmetal officers.

Supply and delivery of MS Kiosk of size 0.75m x 0.45m x 0.75m made up of MS angle of size 50mm x 50mmx 4mm alround covered with 16 gauge MS sheet and kiosk door made up of MS plates of size 25 mm x 3 mm including cutting, welding, grinding, locking arrangements etc complete as per standard specification.

Earth work excavation in all classes of soils such as hard stiff clay, stiff black cotton, hard red earth, shales, murram, ordinary earth, earth mix with 50% fair sized boulders etc., with initial lead and lifts including laying, spreading, leveling, sectioning breaking clods etc., including all incidental charges etc., complete as per standard specification . - 110mm dia PVC Pipe

Supply and delivery of rigid PVC pipes and GI pipes to a standard length of 6m with a one end socket and other end free. The pipes should be quaranteed for pressure. - 110mm dia PVC Pipe

Supply and delivery of rigid PVC and GI Specials including cost and conveyance of all charges with ISI make etc complete. - 110mm dia PVC Tee

110mm dia PVC end cap

Lowering rigid pipes and special to trench and laying to proper grade and alignment with PVC coupler and cement paste and excuting to required pressure including conveyance of water for filling during testing etc completed as per standard specification. - 110mm dia PVC Pipe

Refilling the excavated earth for the pipe line laying as per standard specification. - 110mm dia PVC Pipe