laying, jointing and testing of sewer line from New Ashok Vihar colony Tarna ward in Varunapaar zone-5.

Excavation by manually or mechanically up to following depths below G.L. for laying sewer line, in ordinary soil (earth, sand, loam & clay) including cutting of joints pits ramming dressing, levelling by manually or mechanically, refilling of trenches in 20cm layer watering and ramming the same including removal of surplus earth or other dismantled material up to a distance of 50m from the centre of trenches. (Excavation for Manhole is included in manhole item and not to be paid under this item) 0.00m- 01.50m B.G.L.

Providing and laying Granular bedding with carefully compacted graded hard crusher broken stone of 100% passing through 20mm sieve, 20-50% passing through 10mm sieve and 100% retained on 6mm sieve and Dimensions are as per Approved Drawing for: ​a) In base. 0.00 – 01.50m

Providing and conveying to site RCC pipes with sulphate resistant cement of following class (with s/s ends) and diameter as per IS: 458 - 2003 (Amended up to date) including all taxes (Central and Local) with Rubber gaskets as per (EPDM/SBR) for sewer lines as per IS: 5382-1985 or (Amended up to date), including cost of Rubber gaskets, labour required, transportation, loading, unloading & stacking etc.(excluding cost of laying, jointing, testing and commissioning). The pipe shall be ISI marked. ​N.P.3. Pipe. ​a) 250 mm dia pipe

Carting of following size N.P.3 Sewer pipe rubber ring joined and special from store to the work lowering the same into the trenches true to alignment including excavation of earth below invert level of pipe, cost of all jointing materials, testing, commissioning etc, complete but excluding excavation and refilling of trenches from ground level to the invert level of pipe. ​a) 250 mm dia pipe 00.00m to 01.50m BGL.

barricading of site.

Construction of brick masonry manhole in first class brick of following types and sizes in cement mortar 1:4, P.C.C. top slab with 1:2:4, foundation concrete 1:2:4, inside & outside plastering 12mm thick with cement mortar 1:3 finished with floating coat of neat cement and making channels in cement concrete with 1:2:4, finished with floating coat of neat cement complete with including CI steps (PVC encapsulated) staggered at 0.3 m interval, RCC arch above pipe including excavation, reinforcement and form work, RCC heavy duty frame and cover as per standard design and drawing. Depth=0.60 to 1.20

Depth=1.21 to 1.50

Provision for inter connection in between proposed sewer line and existing disposal point including cost of all labour material and special T&P required for connection and re-instate the same complete in all respect. 250 mm dia pipe

Sand filling in plinth including supply of necessary quantity of sand from a distance not exceeding 10km. from the site of work and including watering, dressing, etc. rate to include the cost of all materials, labour, T&P etc. required for proper completion of work.

Provision for site clearance after construction period and unforseen items.