SBM 2.0 2024 25 Providng intercetion and diversion I and D works for STP

Amount

Schedule - A2 - Conveyance of used water [I&D; Pumping main & Disposal]

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

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

Storm drain

Supplying and filling in foundation and basement with Well Gravel 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-SRC

Supplying and firing of Autoclaved Cellular Aerated convethe Blocks Blocks of following size Confirming to s.s3 2145-1965 (including jam CC blocks closers etc) made in (1:3:6 (one part of cement and five Sand) for masonary wall partition including curing heat finishing etc

Centering for soffits of RCC slabs of plane surface like lintels, beams ,etc.,including strutting 3m high using mild steel sheets of size 90cm X 60cm X and B.G 10 stiffened with M.S angles of size 25mm X 25mm X 3mm laid over silver Oak (C.W) joists of size 10cm X 6.5cm (spaced at about 90cm c/c )and supported dy casurina props of 10cm to 13cm dia (spaced of 75cm C/C) complying with standard specification and directed - 10 m 2 (P & D)Data 38

upto to 90cm

upto to 270cm

Suppling and fabricating and placing in position MS (or) R.T.S. bar for reinforcement to all RCC works as per the design given including cost of steel and binding wire also in all floors.

Providing and laying in position Standardised Concrete Mix M-20 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 325Kg/ 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 - SRC

Providing and laying in position Standardised Concrete Mix M-30 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 400Kg/ cum and maximum water cement ratio of 0.45 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.

Plastering with cement mortar 1:5 (One part of Cement and Five part of Plastering Sand (P- Sand)) 12mm, thick in all floors including cost and conveyance of all materilas to site and labour charges etc,complete as per standard specifications

Plastering with cement mortar 1:3 (One part of Cement and Three part of Plastering Sand (P- Sand)) 20mm thick in all floors including cost and conveyance of all materials to site and labour charges etc, complete complying with standard specifications (S.I.309)

Painting two coats with ready mixed 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

Refilling with excavated soil (other than sand) complying with the standard specification for filling in foundation and basement

Supplying and fixing in position FRC manhole cover with frame (heavy duty) 0.60m dia of best approved quality and as per atandard specifications etc.,complete.

Disposal of surplus earth including loading and conveyance within a distance of 5 km (basic cost of earth is zero) including loading charges and Conveyance Charges of 5 kms distance.

Barricading work (Where the lines are in narrow width of municipality area, busy streets like Market, Bus-stand and in the Highways etc.) for laying of pipe line using casurina poles at 1.50m center to center (8cm to 10cm dia. and 1.80m height) vertical with horizontal poles in two rows, painting the vertical poles in the road facing sides with ready mix paint, tying the vertical and horizontal poles with coir rope including supplying, delivery and fixing of GI sheet (0.90m x 0.8mm thick) in the horizontal poles and fixing 75mm dia. reflectors including earth work excavation for fixing vertical posts and finally removing and stacking the materials safely for further use etc., complete and as directed by TWAD Board officers.

Pumping Main

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. Sand, silt or other loose soil, wet sand or silt not under water light black cotton soil, sandy loam and ordinary soil.SS20B (TWAD SOR 2024-2025, Pg 295,296)

250mm HDPE PN6

200mm HDPE PN6

Supplying and conveying to site, the following sizes of HDPE pipes of class PN6 (PE-100) & DI class K7 pipes confirming to IS:4984/1995, as specified in Technical Specifications in standard lengths including labour charges for loading, unloading and stacking at site and transportation charges etc., complete as per standard specifications and as directed by the Engineer in Charge (TWAD SOR 2022-2023, PN6, Pg 29) IV th Quarter &

250mm HDPE PN6

200mm HDPE PN6

Lowering HDPE pipes, DI pipes and specials to trench and laying to proper grade and alignment and as directed by the Department Officers

250mm HDPE PN6

200mm HDPE PN6

Jointing HDPE, DI Pipes and Specials by butt fusion welding / electro fusion welding joints using fusion equipment as per ISO 21307-2011 and as per IS 7634 (part-2) : 2012 including cost of hire charges for butt fusion equipment power supply arrangements etc., complete as per directed by Department Officers.

250mm HDPE PN6

200mm HDPE PN6

Supply, delivery of HDPE Specials As Per IS 1736-1995 including unloading, transportation and stacking charges. Specials for HDPE pipes as per IS 8360/1977/Part 1(Reaffirmed 1992) Part II and III(Reaffirmed 2002). Reaffirmed to IS 4984-2016 conveyance to work site etc., complete as directed by the Engineer in charge

Equal Tees

250mm Dia HDPE

200mm Dia HDPE

Bends - 90 Degree Bend PN6

250mm Dia HDPE

200mm Dia HDPE

End Caps

250mm Dia HDPE

200mm Dia HDPE

Barricading work (Where the lines are in narrow width of municipality area, busy streets like Market, Bus-stand and in the Highways etc.) for laying of pipe line using casurina poles at 1.50m center to center (8cm to 10cm dia. and 1.80m height) vertical with horizontal poles in two rows, painting the vertical poles in the road facing sides with ready mix paint, tying the vertical and horizontal poles with coir rope including supplying, delivery and fixing of GI sheet (0.90m x 0.8mm thick) in the horizontal poles and fixing 75mm dia. reflectors including earth work excavation for fixing vertical posts and finally removing and stacking the materials safely for further use etc., complete and as directed by TWAD Board officers. (TWAD SOR 2022-2023, Pg 323)

Barricading work (Where, there is less traffic areas and broader roads etc.) for laying of pipe line using casurina poles at 1.50m center to center (8cm to 10cm dia and 1.80m height) vertical with horizontal poles in three rows including painting the vertical poles in the road facing sides with ready mix paint, tying the vertical and horizontal poles with coir rope including fixing charges and fixing 75mm dia reflectors including earth work excavation for fixing vertical posts and finally removing and stacking the materials safely for further use etc., complete and as directed by Department officers. (TWAD SOR 2022-2023, Pg 323)

Refilling the trenches with excavated earth (other than sand) in layers and watering, ramming and consolidation as per standard specification etc complete and as directed by Engineer in charge

250mm HDPE PN6

200mm HDPE PN6

Disposal of surplus earth including loading, conveyance within a distance of 5 km and spreading as directed by the Engineer in charge.

Labour charges for cutting of B.T road or WBM roads for laying of mains and as directed by Engineer in charge. (TWAD SOR 2022-2023, Pg 299)

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 equivalent grade, 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 (TWAD PG.NO 71)

250mm Sluice valve

200mm Sluice valve

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 equivalent grade, 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 (TWAD PG.NO 71)

250mm Scour valve

200mm Scour valve

Testing of pipes for water supply with hydraulic testing equipment by filling with water (includingcost of water) and testing to recommended pressure in convenient stretches and attending the bursts if any occured during the test,excluding the cost of pipes but including otherincidential and operational charges etc., complete for the following diametres of pipes. (TWAD SOR 2022-2023, Pg 270)

250mm HDPE PN6

200mm HDPE PN6

Pumpset

Supply and delivery of submersible centrifugal sewage non-clog pumps, vertical spindle type pump , wear resistance with submersible motor for the various duty conditions. Pump shall be capable of handling min 100 mm solid size with sewage specific gravity of up to 1.05. Pump shall be of robust construction, Liquid passages shall be finished smooth and designed as to allow free passage to solids. Pump Impeller should be of Non-clog semi open type , single vane / multi vane preferably contra bloc or vortex impeller design. Double mechanical seal with silicon carbide faces should be provided to protect the motor from ingress of sewage along the shaft. The critical speed of the rotor shall be at least 30% above the operating speed. Pumps should have double bearings between the pump & motor. The bearings life shall be minimum 100,000 hrs of operation with greased for life. Pump should be provided with automatic coupling device including pedestal, duck foot bend, stainless steel guide pipe or related accessories of suitable size to facilitate lifting and lowering into guide rails for easy maintenance. Pump shall be provided with a stainless steel lifting chain conforming to BS 970 Gr 304. Pump speed shall be of 9600 rpm for high duty pumps and 960/1450 rpm for low duty pumpsets. Casing and impeller should be of CI Gr. FG 260 :IS210 more preferably with hardened impeller.Shaft should be of stainless steel AISI 410. All the fasteners and bolts shall be of AISI 410.The submersible motor shall be operated with 3ph, 415 V(+or– 10%), 50Hz(+or-5 %) dry induction type. Motor shall be capable of giving rated output without reduction in the expected life span when operated continuously. The rotating assembly shall be dynamically balanced as per standards. The starting current of the motor shall not exceed 200% of rated full load current for Star / Delta or ATS starting under any circumstances .The motor shall be suitable for full voltage star delta / ATS starting. The locked rotor current of the motor shall not exceed 600% of full load current unless otherwise specified. Motor shall be designed to withstand 120% of rated speed for two minutes without any mechanical damage, in either direction of rotation. The motor vibration shall be within the limit specified in applicable standards . Motor should be of IE2, explosion proof compatible for VFD operation together with star-Delta /ATS starter, protection against increase in stator winding temperature (15 deg Celsius), bearing temperature, leakage in the stator housing and terminal box shall be provided and to be suitably interlocked with the control panel for tripping the pump in case of increase in temperature beyond set limit.

Discharge upto 300to 400 cum/hr 15m Head

Discharge upto 100 to 200 cum/hr 15m Head

Supply and delivery of 150 mm, flanged, sluice valves shall be as per IS and suitable for 10 bar rating. The body & door shall be of cast iron, spindle - SS AISI 410, Seat rings - SS AISI 304, Back seat bush - bronze. The electric actuator shall consist of reduction gear unit, torque & limit switch with contact, position indicator, hand wheel and locking arrangement. Actuator shall be capable of producing not less than 1.5 times the required torque. The transmission unit shall be designed to transmit twice the required torque.

Supply and delivery of 150 mm non-return valve, flanged and as per IS:5312 and suitable for 10 bar rating. Valve shall be quick closing type with non-slam characteristics and without any external damping arrangements or counter weights. The body and door shall be of cast iron, hinge pin - SS AISI 410, Body / Door rings - SS - AISI 304, Bushes - Bronze.

Cast iron pipes and fittings as per drawing shown. Cast iron pipes shall conform to class B IS: 1537 / IS: 1536 / IS: 7181 and pipe fittings shall conform to IS: 1538. All pipes and fittings shall be flanged and inter connected to the pumping main.

150 -200mm CI D/F Pipe

150 -200mm CI D/F specials

Pressurge gauge on the discharge piping

Meter board

The meter board shall be of wall mounting type, made from Teak-wood of size to suit the LT metering arrangements by EB. The teak-wood board is to be supplied with 3 nos. of 100 A fuse carriers , 100 Amps. TPN isolator and space for mounting EB meter.

M.V Control panel

The M.V control panel shall be of floor mounting type, vermin and dust proof, modular type consisting of the following accessories and controls. The control panel shall be of enclosed type and built with compartmentalised modular type cubical. All cubicals shall be constructed from 14 SWG, MS sheet at the bottom and rear and 12 SWG MS sheet at front. The panel Board shall have removable rear cover hinged front door fitted with knobs. Ther interior and exterior of the panels and compartment shall be treated with one coat of primer and two coats of stove enamelled light grey shades. The SB is to be supplied with 4Nos of aluminium bus-bars with ample carrying capacity, properly sleeved with colour code.

Supply and delivery of 1 kVAR electrolytic type capacitor bank with the contactor of ratings shown .

Supply and delivery of control panel with DOL starter suitable for 2 HP motor with under voltage release and over load relay.The panel shall have protective relays for dry running, temperature control, bearing protection for the motor and timer facility.The panel shall be mounted with an ammeter and indicating lamps for various protections.

Supply, delivery and laying of various sizes LT cables as following including cost of materials required, cable carrier system like trenches, cable trays, pipe sleeves as per IS: 3043.

4 C x 4 sq mm

2.5 sq mm copper control cable

Providing exhaust fan as per the specifications given 375 mm sweep heavy duty.

Providing I&D works

Supply delivery and fixing in position of Stainless steel Welded grill vertical sloping 5mm thick bar placed at a distance of 1.5 cms and dimensions of 700mm x 600mm including cost conveyance to site and all labour charges for fixing inposition etc complete

Brick work in CM 1:5 (one cement & Five Crushed Stone Sand (M- Sand)) using II class ground moulded / Fly ash bricks of size 9" X 43/8"X 2 3/4" including finishing, curing, etc., complete complying with standard specification - 100CFT

M/s. AT Engineering Construction (BID ID -1168042)