Salangapalayam TP Erode DT 15th finance tied First installment 2025-26 construction of OHT Tank

Amount

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 hardrock requiring blasting inclusive of shoring shuttering and baling out water and cleaning and levelling the site etc.,complete 10 cum First depth

Supplying and filling in foundation and basement 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.

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

Providing and laying in position Standardised Concrete Mix M-25 Grade in accordance with IS 456 - 2000 using 20mm and down graded hard broken granite stone jelly for all RCC items of works with minimum cement contenet of 350Kg/ cum and maximum water cement ratio of 0.55 including admixture (Plasticiser / super plasticiser) in recommended proportions as per IS 9103 to accelerate, related setting of concrete, improve workability without imparing strength and durability with about (5.0cum), 7730Kg of 20mm machine crushed stone jelly and with about (3.3 cum), 5156kg of 10 - 12mm machine crushed stone jelly and with about (4.79cum) 7670 kg of Crushed Stone sand (M- Sand) but excluding cost of reinforcement grill and fabricating charges centering and shuttering but including laying, vibrating with mechanical vibrators, finishing, curing, etc and providing fixtures like fan clamps in the RCC floor / roof slabs wherever necessary without claiming extra cost etc., complete complying with standard specification and as directed by the departmental officers - The Coarse and Fine aggregates to be used should comply with the requiremnents of IS standards. For items 1.5m to 4.5 m below GL

Items 0 to 1.5 m below G.L

for item & 0m to 4.5 from GL

Above 4.51 m & Up to 7.32 m From GL

Above 7.32 m & Up to 10.98 m From GL

Supplying and erecting steel centering for sides and sophist of including necessary supports and shuttering to the required height for RCC items using MS sheets or suitable size of BG10 stiffened with welded MS angles of size 25mm x 25mm x 3mm of boarding. Laid over silver oak joints of size 10cm x 6.5cm spaced at 90cm center to center and supported by casuarinas props of 10cm to 13cm dia spaced at75cm centre to centre complying with standard specifications etc., completed Plain surface Below G.L items 0 to 3.30m

GL to 3.30Mt

Curved Surface 0 to 3.30m Below GL

GL to 3.30Mt Above GL

Square coloumn Below GL

GL to 3.30M

Plastering with cement mortar 1:3 (One part of Cement and Three part of Plastering Sand (P- Sand)), 10mm thick in all floors including cost and conveyance of all materilas to site and labour charges etc,complete as per standard specifications

Painting two coats for Exterior surface with approved Exterior Plastic Emulsion paint approved quality and colour over a priming coat, including thorough scrapping, clean removal of dirt, etc complete and including necessary plaster of paris, putty, wherever required etc, complete as per standard specification.

Supplying fabricating and placing in position of HSD steel,rods for reinforcement including the cost of steel and binding wire etc., complete and as directed by departmental officers.

Fabrication, supply, delivery and fixing of outside MS. ladder of 45cm wide made out of 50x50x6mm MS angle for sides and steps in 16mm MS plain rods fixed at 30cm centre to centre welded, jointed etc., providing with suitable side supports, clamps and locking arrangements providing with one coat of red oxide paint for roviding access to roof top 30000 lit. capacity oht of suitable inclined length including bottom anchorage and transportation and as directed by officers.

Providing and fixing of RCC inner access ladder in RCC 1:1.5:3 (one cement one and half sand and three aggregate) using 20mm HBG stone for OHT including cost of reinforcement placing grill in position centering shuttreing charges mixing concrete curing etc., to required height and clear width of 45 cm consisting of two Nos. of vertical post of 10cm x15cm and step slab of 25mm x25mm etc., complete and as directed by officers.

Refilling in basement with excavated earth in layers of not more than 15cm thick well rammed and consolidated etc., complete

Supplying and fixing of following pipes and special etc including cost and conveyance of pipes etc complete complying with standard specification. 63mm pvc pipe 6Kg

90mm pvc pipe 6kg

50mm GI pipe

Supply and delivery of Woltman model with removal mechanism water meters, (No domestic use) conforming to ISO 4064 part I, II, III Class B and IS-2373 with life cycle test certificate from FCRI/ NABL accredited lab. The watermeter shall have magnetic drivers or mechanical drivers and shall be versatile for installation in any position. The meters shall be hydrodynamically, hydrostatically balanced. The runner, runner chamber, pointers of the meter shall be as per ISO 4064 specification. Dry dial excavated counter housing fully protected against flooding ensuring easy reading in all climates.

Supply and delivery of DI D/F Gate (sluice) valves (soft seated) resilient seated soft sealing Gate Valves (Sluice Valves) with body Bonnet of Ductile cast iron of Grade GGG 40 or GGG 50, Wedge fully rubber lined with EPDM replaceable spindle nut without gland packing and with 3 O- Ring protection on the shaft and seals of NBR and the valves should be of Vacuum tight and 100% leak proof with face to face dimensions as per BS 5163-89/ISI 14846-2000/DIN 3202 F4. All the valves should be with electrostatic powder coating both inside and out side with pocket less straight through body passage. All the valves are to be compatible for buried application with pressure rating PN 10/16 and with 5 years warranty

Providing PVC ventilating arrangements mosquito proof nylon net with 110mm PVC cowl and as directed by officers

Supplying and fixing in position C.I.Manhole covers (light or heavy duty) of 60 X 60cm in size in Cement Mortar 1:3 (One part of Cement and Three part of Plastering Sand (P- Sand)), of best approved quality and as per standard specifications etc.,complete.

SRI PERIYANDICHIAMMAN CONSTRUCTIONS (BID ID -1424721)