Tender For Improvement Of Water Supply Source And Allied Works In Pathamadai Town Panchayat; 1 Earth work excavation for foundation in Hard stiff clay, stiff black cotton, hard red earth, shales murram, gravel,stoney earth and earth mixed with small size boulders SS.20B and Sand, silt or other loose soil, wet sand,or silt not under water, light black cotton soil, sandy loam ordinary soil and to full depth as may be directed except in hardrockrequiring blasting inclusive of shoring shuttering and baling out water and cleaning and levelling the site etc.,complete 2 Supplying and filling in foundation andbasement with Crushed Stone Sand (M- Sand) in layers of not more than 15cm thick well rammed watered and compacted etc., complete complying with standard specification. 3 Plain Cement Concrete 1:4:8 (one part of cement, four part of Crushed Stone Sand (M- Sand) and eight part of coarse aggregates) using 40mm size ISS HBG metal including cost and conveyance of all materials to site and including for the mixing, laying and labour charges and all incidential charges such as water providing etc., complete as per standard specification 4 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 Vibrato r)TNDSS NO: 30 V, VI (S3), VII-3. Sump - Beyond 1.50 m and 4.50 m Below GL 5 Upto 1.50 m Below GL 6 Upto 4.50 m above GL 7 Porous concrete using 20 mm HBG stone in cement and aggregate of 1:4 (one cementand four HBG jelly) for stiening of infiltration well excluding cost of centering but including curing etc. complete and as directed by TWAD Boar Officers 8 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 chargesetc., complete as per standard specification 9 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 10 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. 11 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 Specificationsfor 10 sqm 12 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. officersCURVED SURFACE 13 PLANE SURFACE 14 Supply, delivery fabrication and placing inposition 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 15 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. Officers1st depth of 2 m 16 2nd depth of 2 m 17 3rd depth of 2 m 18 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. 19 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) 20 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. 21 Supply and delivery of the following MS Channel including fixing and painting etc. complete to house the submersible pumpsets 22 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 23 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 markwith necessary cable joints (1250lpm X 40m ) 24 Supply and deliveryofTHREE PHASE PANEL BOARD STAR- DELTA WITH TWO LEVEL GUARD AND AUTO START 25 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 26 Supply and deliveryofPVC INSULATED AND SHEATHED 3 CORE FLAT TYPE COPPER CABLE CONFORMING TO IS 694/1990 (16 sqmm) 27 Construction of ring bund using sand bagsaround the infiltration well for rasing thebund 0.30 m above the water level (at thetime of construction of infiltration well) for erection of well curb anddiverting the river flow including cost of sand , 28 Filling sand inside the bund for raising the bed level upto the water level forerection of well curb and providing workingarea for construction of infiltration well including cost of sand,labour charges for filling etc. complete and as directed by TWAD Board officials 29 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 30 Supply and delivery of pipesincluding cost and conveyance ofall labourcharges etc complete - 150mm DI PIPE - CLASS K7 31 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) 32 Loweringpipes and specials in the trenches and laying to proper grade and alignment, jointing with GI Specials and as directed by the TWAD Officers 33 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 )
