Removing and Reconstruction of under Ground Drinage machine hole Trunk main line at Mettupalayam Road Opposite to Azhagu pharmacy Sinthamani in Ward No 69, Central zone.

Amount

Labour for cutting open BT and Maccadam Road surface for laying sewers complete as per standard specifications and as directed by engineers.

Barricading work (Highway Roads)for laying of pipe line using casurnia poles at 1.5m center to center(8cm tol0cm dia and 1.80m height )vertical and horizontal poles in three rows including painting the vertical poles in the road facing side with ready mix paint,tying the vertical and horizontal poles with GI Sheets including fixing charges and fixing 75mmdia reflectors including earth work excavation for fixing vertical posts and finally removing and stacking the materials safety for further use etc .complete and as directed by officers. TWAD SoR Pg.No 323 RM 100*1.1=110.00

Construction of R.C.C manholes by using Sulphate Resistant Cement at various depths including earthwork excavation in Hard stiff clay, stiff black cotton etc., sand filling, laying cement concrete in C.M.1:4:8 using 40mm B.G jelly for foundation, RCC 1:1.5:3 for side wall and base slab, fabrication, placing reinforcement and shoring & strutting charges for depths above 2m from G.L, providing PVC encapsulated steps, FRC MH frame and cover , benching and channelling with PCC 1:2:4 using 20mm HBS, refilling, etc., complete for different depths for each manhole (As per the drawing for manholes), wherever traffic is heavy and N.H roads if any. (As per separate estimate )

2.51 to 3.00m Depth

Earth work excavation and depositing on bank with an initial lead of 10m and initial lift of 2m in Hard stiff clay, stiff black cotton, hard red earth, shales, murrams, gravel, stoney earth, and earth mixed with small size boulders and hard gravelly soil - SS20B

upto 2.00m

2 -3 depth

Shoring and strutting with sheet piles / wooden piles and planks with necessary support for excavation beyond depth of 2m including cost of sheet piles/ wooden piles , plank and other materials, removing shoring and strutting after the pipe are laid etc., complete as directed by the engineers -in-charge (As per sheet enclosed) - Data 45

Supply of NP4 Class pipes with sulphate resistance cement with inner lining of high Alumina cement as per IS 458/2003 Complete as per standard specification Data

800mm RCC NP4

600mm RCC NP4

Lowering NP4 Class pipes with sulphate resistance cement with inner lining og high Alumina cement as per IS 458/2003 Lowering into trenches , Laying to proper grade and alignment , and testing the pipe to the required Pressure, excluding Earthwork etc Complete as per standard specification Data

800mm RCC NP4

600mm RCC NP4

Jointing of S&S pipes and specials with Rubber gasket (Tyton joint) including cost of lubricants etc

800mm RCC NP4

600mm RCC NP4

Dewatering arrangements with disel pumpset above 3.5HP to 7.5HP including hire charges and wages where ever necessary etc complete and as directed by the departmental officers

End Concrete of pipe line 'P.C.C 1:2:4 (one cement, two sand and four coarse aggregate) using 20 mm H.B.G stone including mixing concrete, laying, curing and compacting of concrete etc., complete and as directed by the Officers.

Refilling with Crushed Stone Dust complying with standard specification for filling the foundation including watering consolidation etc., complete as directed by the Officers.

Refilling the Wmm complying with standard specification for filling the foundation including watering consolidation etc., complete as directed by the Officers.

Disposal of surplus earth including loading, conveyance within a distance of 15 km and spreading as directed by the officers.

Conveyance of pipe to work site including loading, unloading and transportation upto 8km and part there of Data

Conveying Sewage and Sullage water from the site to 15km including transport loading and unloading etc complete