2024-2025 - CGF - Retender Pathamadai Town Panchayat

Amount

Reinforced Cement Concrete 1:1½:3 Mix (One part cement, one and half part M-Sand and three part of aggregate)using 20mm size ISS HBG metal machine crushed from approved quarry including cost and conveyance of all materials to site, loading and unloading charges and labour charges for mixing, laying and curing but excluding cost of reinforcement etc. Complete with std. Specifications.(Using Vibrator) TNDSS NO: 30 V, VI (S3), VII-3.

Porous concrete using 20 mm HBG stone in cement and aggregate of 1:4 (one cement and four HBG jelly) for stiening of infiltration well excluding cost of centering but including curing etc. complete and as directed by TWAD Boar Officers

Plain Cement Concrete 1:2:4 (one cement, two Crushed Stone Sand (M- Sand) and four coarse aggregates) using 20mm size ISS HBG metal including cost and conveyance of all materials to site and including for the mixing, laying and labour charges etc., complete as per standard specification

Special ceiling Plastering in Cement Mortor 1:3 Mix (one Cement, Three M.sand ) 10mm thick including cost and conveyance of all materials to site, loading and unloading charges and labour charges for mixing, laying and curing etc. complete . complying with std. specifications

Plastering with C.M 1:5(one cement and five sand) 12 mm thick including curing etc. complete and as directed by TWAD Bd. officers.

Cement paint Two coats with good quality of approved cement paint including cost of all materials to site and all labour charges for mixing applying and proper curring etc., Complete as per Standard Specifications for 10 sqm

Providing steel centering using MS plate of size 90 cm x 60 cm - 13G to 10G thick welded with 25 cm x 3 mm MS angles supported with country wood scantling of size 10 cm x 6.5 cm at 50 cm c/c strutting with casuarinas props of 10 cm to 13 cm dia etc. complete and as directed by TWAD Bd. officers a) CURVED SURFACE

PLANE SURFACE

Supply, delivery fabrication and placing in position of MS, RTS rods for reinforcement for binding ring, pilasters, roof slab and well curb including cost of binding wire etc. complete and as directed by TWAD Bd. officers

Sinking of infiltration well of 4.5 m internal dia and 5.4 m outer dia below water level in sandy soil including all incidental charges etc. complete and as directed by TWAD Bd. Officers a) 1st depth of 2 m

2nd depth of 2 m

3rd depth of 2 m

Plugging the bottom of well with coarse sand passing through a sieve of 10 meshes to 2.50 cm and retained in a sieve of 200 meshes to 2.50 cm etc. complete and as directed by TWAD Bd. officers.

Supply and fixing of CI manhole cover of size 0.60 x 0.60 m with locking arrangements including the cost of RI sheet and fixing at the edges etc. complete and as directed by TWAD Bd. officers. (heavy type)

Supply and fixing of CI steps to be embedded in the wall of the infiltration well (inside) with vertical clearance of 0.30 m c/c and horizontal clearance of 0.38 mc/c in staggered manner etc. complete and as directed by TWAD Bd officers.

Supply and delivery of the following MS Channel including fixing and painting etc. complete to house the submersible pumpsets

Supply and fixing of cutting edge using 12G MS sheets including the cost of fabrication welding and placing in position in the curb including cost of materials conveyance etc. complete and as directed by TWAD Bd. officers

Supply and delivery of Open well Submersible pump set conforming to IS 14220 /2002. The pump shall be with stainless steel shaft and dynamically balanced bronze mixed type impeller, CI FG 200 grade casing and brass screws and rotor shall be of copper rod as per IS 613/1984 with ISI mark with necessary cable joints (1250lpm X 40m )

Supply and delivery of THREE PHASE PANEL BOARD STAR- DELTA WITH TWO LEVEL GUARD AND AUTO START

Labour charges for the erection of submersible pumpset in borewell/openwell 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 valves erection clamps, pressure gauges upto the exterior wall of pump room and erection of panel board consisting of TPICN switches starter, Voltmeter, Ammeter, three pilot (indicating) lamps capacitor single phasing preventor, water level guard and laying and jointing the cables and twin earthing as per IE rules etc., complete

Earth work excavation for foundation and depositing on bank with in the initial lead of 10m and a lift of 2m in hard stiff clay, stiff block cotton, hard red earth, shales, murram, gravel, stoney earth and earth mixed with small size boulders etc.,as per a) Above Water Level

Below Water Level

Supply of the following CI pipes and specials as per IS specifications 150 mm CI D/F pipes

Lowering of C.I Pipes and specials in the trenches and laying to proper grade and alignment and as directed by the Engineers (150mm dia CI PIPES)

Jointing C.I/ D.I double flanged pipes and specials with rubber insertion or any equivalent to the required specifications with M.S. bolts and nuts etc., complete including charges for special tools and plants such as air compressor and helmets and sheet piles. etc (including cost of jointing materials)

Supply and delivery of MS clampsets suitable for 150 mm CI Connecting main with flat of size 63 mmx 8 mm, angle of size 75 mm x 75 mm x 10 mm for a length of 0.8 metre and clamps holding anchorage pipes [2 Nos ] of 80 mmGI & cables- 1 No including one coat of red oxide paint, required size of bolts and nuts and conveyance of clampsets to site of work etc., complete and as directed by TWAD Board officers

Supply and delivery of PVC INSULATED AND SHEATHED 3 CORE FLAT TYPE COPPER CABLE CONFORMING TO IS 694/1990 (16 sqmm)

Construction of ring bund using sand bags around the infiltration well for rasing the bund 0.30 m above the water level (at the time of construction of infiltration well) for erection of well curb and diverting the river flow including cost of sand ,

Filling sand inside the bund for raising the bed level upto the water level for erection of well curb and providing working area for construction of infiltration well including cost of sand, labour charges for filling etc. complete and as directed by TWAD Board officials

Supply and delivery of 80mm dia GI Pipe(G I PIPES (MEDIUM) AS PER IS 1239/PART I/2004) as per standard specifications.

Laying and Jointing of GI Pipesas per standard specifications. 80mm GI Pipe

Earth work excavation and depositing on bank with initial lead of 10 m and lift of 2 M in narrow trenches having bed width 1.25m & below for laying of pipes for water supply and sewerage works in the following type of soils as directed by Departmental officers

Supply and delivery of pipes including cost and conveyance of all labour charges etc complete - 150mm DI PIPE - CLASS K7

Jointing the C.I/ D.I - S/S pipes and specials with molten lead and Yarn including caulking the joints. (Including cost of jointing materials)

Lowering pipes and specials in the trenches and laying to proper grade and alignment, jointing with GI Specials and as directed by the TWAD Officers

Refilling the excavated earth to pipe line trench including all charges etc., complete. TWAD 2022 -2023 Page No.296 (0.60m Width and 1.05m Depth )