TCMC - Providing UGSS Manhole and Pipe Line at Medavakkam main road in Ward No.20 at Zone-02,Tambaram City Municipal Corporation

Construction of Precast circular RCC machine hole using sulphate resistant cement with M30 design mix concrete using Crushed stones and (Msand) including earth work excavation as per SS20B including timbering and pumping charges (for 2.5 m depth and above), Providing Plain Cement Concrete 1 : 1.5 :3 using 20 mm B.G.jelly for foundation, supplying and fillings and for bedding, Providing base units of 1 m height (base slab and side wal l), riser unit (without corbel ) of varying heights to suit the various depth requirements and roof slab including cost of steel reinforcement ,cost off abricating the steel mould uing MS sheet and ISA angles including material and labour cost , Providing CI steps, fixing FRC machine hole frame and door,benching and channelling, refilling with excavated earth and disposa lof surplus earth,joining of precast units by grouting with CM1:1 and polyurethane based water proofing compound 1% (by weight of cement)at shear key and protruded bars-grout holes locations ,Cost of conveyance and Derection charges of precast machine hole at the required position as directed by the engineer at site including testing the machnehole with water for 48 hours to check watertightness and rectifying the defects if anyfor the following sizes and depth. Upto 2.00m Depth

Supply and Delivery of Un Plasticized Non - Pressure Polyvinyl Chloride (Pvc-U) Pipes for Use In Underground Drainage And Sewerage Systems As Per Is 15328/2003,The above rates are basic rates inclusive of transportation charges to stockyard excluding unloading,Unloading, stacking at stock yard and Cost of loading from Stockyard and unloading at site,Conveyance from stock yard to site SN8-SDR 34(S 16.5) - 200mm Dia

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

Lowering PVC/ DWSC rigid pipes and specials to trench and laying to proper grade and alignment, jointing with PVC couplers with cement paste. For depth upto 2m - 180mm to 250mm dia (OD) PVC pipe

Dewatering using 3HP to 70HP diesel engine pumpset including Hire charges, cost of Diesel, Engine oil, pump operator, labour charges, conveyance of pumpset and fuel to site and back, loading, unloading and any other incidental charges etc., complete. Diesel Pump set for 15 HP

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.

Supplying and filling in foundation, basement, etc with filling crushed stone sand in layers of not more than 15 cm thick well watered, rammed and consolidated etc. complete complying with standard specification and as directed by the departmental officers.