Construction of manholes and sewerage line in Vindhyachal, Kailash Boys Hostel and other locations at NIT Hamirpur.

Earth work in excavation by mechanical means (Hydraulic excavator)/ manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including getting out and disposal of excavated earth lead upto 50 m and lift upto 1.5 m, as directed by Engineer-incharge:-i/c entire carriage of material in all leads, lifts height and cost of all other incidentals.

All Kind Soil

Excavating trenches of required width for pipes, cables, etc, including excavation for sockets, depth upto 1.5 m, including getting out the excavated materials, returning the soil as required in layers not exceeding 20 cm in depth, including consolidating each deposited layers by ramming, watering etc., stacking serviceable material for measurements and disposal of unserviceable material as directed, within a lead of 50 m :as directed by Engineer-incharge:-i/c entire carriage of material in all leads, lifts height and cost of all other incidentals.

All kinds of soil

Pipes, cables etc. exceeding 80 mm dia but not exceeding 300 mm dia

Dismantling of manhole including R.C.C. top slab, C.I. cover withframe, including stacking of useful materials near the site anddisposal of unserviceable materials within 50 m lead as directed by Engineer-incharge:-i/c entire carriage of material in all leads, lifts height and cost of all other incidentals.

Rectangular manhole 120x90 cm and 90 cm deep

Extra for depth of manholes dismantled :

Rectangular manhole 120x90 cm and beyond 90 cm depth

Constructing brick masonry manhole in cement mortar 1:4 ( 1 cement : 4 coarse sand ) with R.C.C. top slab with 1:1.5:3 mix (1cement : 1.5 coarse sand (zone-III) : 3 graded stone aggregate 20 mm nominal size), foundation concrete 1:4:8 mix (1 cement : 4coarse sand (zone-III) : 8 graded stone aggregate 40 mm nominalsize), inside plastering 12 mm thick with cement mortar 1:3 (1 cement: 3 coarse sand) finished with floating coat of neat cement andmaking channels in cement concrete 1:2:4 (1 cement : 2 coarsesand : 4 graded stone aggregate 20 mm nominal size) finished witha floating coat of neat cement complete as per standard design :as directed by Engineer-incharge:-i/c entire carriage of material in all leads, lifts height and cost of all other incidentals.

Inside size 120x90 cm and 90 cm deep including C.I. cover with frame (heavy duty) 560 mm internal diameter, total weight of cover and frame to be not less than 208 kg (weight of cover 108 kg and weight of frame 100 kg) :

With common burnt clay F.P.S. (non modular) bricks of class designation 7.5

Extra for depth for manholes :as directed by Engineer-incharge:-i/c entire carriage of material in all leads, lifts height and cost of all other incidentals.

Size 120x90 cm

With common burnt clay F.P.S. (non modular)bricks of class designation 7.5

Providing and laying Ductile Iron Sewerage Pipes conforming to IS : 8329 : of Standard length as per Manufacturer complete including Transpotation at Site, Carriage at Site and Fixing complete as per requirement at site as directed by Engineer-incharge:-i/c entire carriage of material in all leads, lifts height and cost of all other incidentals.

200 mm dia Ductile Iron Class K-7 pipes

250 mm dia Ductile Iron Class K-7 pipes

Providing push-on-joints to Centrifugally (Spun) Cast Iron Pipes or Ductile Iron Pipes including testing of joints and the cost of rubber gasket :as directed by Engineer-incharge:-i/c entire carriage of material in all leads, lifts height and cost of all other incidentals.

200mm dia pipes

250 mm dia pipes

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level :as directed by Engineer-incharge:-i/c entire carriage of material in all leads, lifts height and cost of all other incidentals.

1:4:8 (1 Cement : 4 coarse sand (zone-III) derived from natural sources : 8 graded stone aggregate 40 mm nominal size derived from natural sources)

Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in superstructure above plinth level up to floor V level in all shapes and sizes in :as directed by Engineer-incharge:-i/c entire carriage of material in all leads, lifts height and cost of all other incidentals.

Cement mortar 1:4 (1 cement : 4 coarse sand)

15 mm cement plaster finished with a floating coat of neat cement of mix :as directed by Engineer-incharge:-i/c entire carriage of material in all leads, lifts height and cost of all other incidentals.

1:4 (1 cement: 4 fine sand)

Dismantling C.I. pipes including excavation and refilling trenches after taking out the pipes, manually/ by mechanical means breaking lead caulked joints, melting of lead and making into blocks including stacking of pipes & lead at site within 50 metre lead as per direction of Engineer-in-charge:as directed by Engineer-incharge:-i/c entire carriage of material in all leads, lifts height and cost of all other incidentals.

Above 150 mm dia up to 300 mm dia

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