Replacement of Fully damaged 600mm dia RCC pipe line

Amount

Cutting B.T Roads

Earthwork excavating and depositing on bank with an initial lead of 10metres and initial lift of 2 metres in Hard stiff clay, stiff black cotton, Hard red earth, shales, murram, gravel, stoney earth, and earth mixed with small size boulders and hard gravelly soil etc., complete.,

Earthwork excavating and depositing on bank with an initial lead of 10metres and initial lift of 2 metres in soft disintegrated rock,soft rock or kankar, not requring blasting (dene medium rock)

Shoring and shuttering the sides of trenches when depth of excavation 2m in loose soil including cost of labour charges for instalation and removal of planks & sectioning etc, ponmani main road upto 7.45m depth

Removing the burst 600 R.C.C. pipes from the pipe line and removal of slushy soil and baling out water and replacing the pipe line with sound pipe including jointing and cost of refilling the pipe line with water for retesting the pipe line etc., complete. (excluding cost of sound pipe and jointing materials and earth work) and as directed by the TWAD Board Officers NOTE :1. For depth between 6m above 30% percentage allowed over basic rate NOTE :2. If the works are done in odd hours (i.e) 8.00 P.M. to 8.00 A.M of the next day, 3times ordinary rate is allowed since the works are done in the confined reaches. ponmani main road 8.20m depth (600mm R.C.C) 9290.6 + 30% =12077x3=36233.34

Supply of RCC non pressure spun pipe with socket and spigot ends as per IS 458/2003 manufactured with sulphate resistant cement with 12 mm HI - alumina lining with rubber ring joints.

Lowering R.C.C pipes and specials into the trenches and laying to proper grade and alingnment by the

Jointing R.C.C pipes and specials with molten lead and yarn including caulking the jionts. ( Including cost of jointing materials)

Refilling the trenches with suitable excavated earth available along the allignment after the pipes &specials are laid joimted &tested in layers &watering ramming &consolidation directed by the engineer in charge (madurai corpration) 22-23

Dewatering the trenches during excavation and layhing jointing of sewers by engaging diesel pumpset up to 7.5 H.P & fuel ,crew,hire chatges transportation and all oyher items of work complete as per standard specifications and as directed by engineer

Barricading work ( Where , there is less traffic areas and brother roads etc.) for laying of pipe line using casurina poles at 1.50 m center to center ( 8cm to 10cm dia and 1.80 m 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 vetical posts and finally removing and stacking the materials safely for further use etc., complete and as directed

Lighting arrangements (maintenance works) with genset: Hire charges for portable genset1.00 KVA with 2 nos of 150W flood light including all incidental charges, transporation, crew charges and fuel charges etc., complete.

Add GST 18%

SRI VISALAKSHI CO