Revenue Fund 2025-26

Amount

Barricading the trenches for one side using casuarina poles 8 to 10 cm dia , white PVC tape 15 mm wide with red strips printed in two rows, 75 mm dia red reflectors in every 3 m length providing two no. of danger lights for every 150m length, including the cost of all materials, charges for fixing of barricading and removal of barricading after testing and filling the trench and stacking the post for reuse etc (casuarina poles to be fixed at every 1.5m)

Labour charges for Cutting open BT roads and WBM roads for laying sewers etc complete and as directed by

Earthwork excavation and depositing on bankwith an initial lead of 10 m and initial lift of 2m in the following type of soils etc.,

Hard stiff clay, stiff black cotton, hard red earth, shales, murrams, gravel, stoney earh and earthmixed with small size boulders and hard gravelly soil

1 st depth of 0 - 2 m -

2nd depth of 2 to 3 m -

Soft disintegrated rock, laterite, soft rock or kankar not requiring

3rd depth of 3 to 4 m -

4th depth of 4 to 5 m

Disposal of surplus excavated earth in Pipe laying and road restoration works etc., transporting to the sites specified by Engineer within 5 km lead including loading, unloading, spreading, levelling etc., (TWAD SOR 25-26)

Hire charges for diesel pumpset upto 3 HP with fuel and crew charges including necessary for the entire collection system under this zone, proper draining in the places as shown by the engineer incharge

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

Supply delivery at site of RCC pipes NP3 class(with S/S end)conforming to IS: 458/2003 but with revised core thickness, steel rein- forcement, internal lining and outer diameter etc., as per special specifications inclusive of cost of Rubber gasket conforming to IS 5382 (and lubricants etc) to suit the revised OD of pipe. Pipes to be manufactured using Sulphate Resistant cement conforming to IS 12330. Pipes to be provided with High Alumina cement mortar (1:1.5) lining 12mm thick internally as per specifications. including all taxes duties loading, unloading freight, stacking and transit insurance charges,etc. complete and as directed by TWAD BD. officers. ( Nominal dia of pipes after internal lining is only given below )

Lowering RCC - NP3 class pipes and specials into the trenches and laying to proper grade and alignment. etc.complete and as directed by TWAD Board officers

Supply and Delivery of DWC Structured Wall Polyethylene Piping Systems (Pipe with online/offline coupler and elastomeric sealing ring) with required specials non-smooth external annular corrugated and smooth internal surface (Double wall) (SN 8 Class) for non-pressure underground sewerage, drainage application generally as per IS-16098 (Part-2) type B.

Lowering DWC rigid pipes and specials to trench and laying to proper grade and alignment, jointing with PVC couplers with cement paste.

Encasing with plain cement concrete 1:3:6 (one cement, three sand and six coarse aggregate) using Sulphate Resistant Cement and 20 mm hard broken stone including cost of all materials mixing concrete, laying curing and compacting of concrete etc., but excluding cost of pipe (8.180 + 1108.81)

Refilling the trenches with excavated soil (other than sand) complying with standard specification for filling the foundation including watering consolidation etc., .

Road restoration with cement concrete 1:4:8, 10 cm thick, using 40 mm HBS metal and cement concrete 1:2:4 , 10 cm thick using 20 mm HBS including cost of all materials laying, curing including earth work excavation for a depth of 40cm and sand filling for 10cm depth with filling sand etc complete and as directed.

Plain cement concrete in 1:2:4 (one cement, two sand and four coarse aggregate) using 20 mm hard broken stone including mixing concrete, laying curing and compacting of concrete etc (DATA Book DATA -4)

D SENTHILKUMAR (BID ID -1486061)