Reactivation, cleaning, desilting of Sindh Extension Canal up to Sarbund Reservoir at Harwan for harnessing of Raw Water to WTP Nishat.

Amount

Earth work in excavation by manual means in trenches for foundations, drains, pipes, cables etc. (not exceeding 1.5 m in width) and for shafts, wells, cesspits and the like not exceeding 10 sqm on plan, including dressing of sides and ramming of bottoms lift up to 1.5 m, including getting out excavated earth and disposal of surplus excavated earth as directed by Engineer-in-Charge.

Earth work in bulk excavation by mechanical means (hydraulic excavator) over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 m2 on plan) including disposal of excavated earth lead upto 50 meters and lift upto 1.5 m, as directed by Engineer-in-Charge.

Silt clearance for canals inclusive of initial lead and left (50m & 1.5m respectively.

Dry 85% assumptive

Wet 15% assumptive

Removal of unhygienic materials (so classified by the site engineer) from designated sites & its disposal as per directions, all inclusive.(assumptive qut @ 4% of clearance qty over and above silt qty) to be paid as per actual execution at site.

Providing and laying in position cement concrete of specified grade including curing but excluding the cost of centring & shuttering. All work upto plinth level with: 1:3:6 (1 cement : 3 coarse sand : 6 graded stone aggregate 40mm nominal size)

Centering and shuttering including strutting, propping etc. and removal of form work for: Foundations, footings, bases for columns.

Demolishing cement concrete manually/by mechanical means including disposal of material within 50 meters lead as per direction of Engineer-in-charge: 1:3:6 or richer mix (i/c equivalent design mix)

Demolishing stone rubble masonry manually/by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 meters lead as per direction of Engineer-in-charge: In cement mortar

Laying in position centrifugally cast (spun) iron S&S or flanged pipes (excluding cost of pipe)

Structural steel work in single section, fixed with or without connecting plate, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete.

Welding, including transportation of plant at site etc. complete By electric plant

By gas plant

Filling empty cement bags with sand/ earth; including cost of sewing and strings; excluding cost of bags and earth / sand.(assumptive quantity subject to actual requirement at site to be paid as per actual at site)

supply of empty cement bags including all carriages

Pumping out water caused by springs, tidal or river seepage, broken water mains or drains and the like.

Carriage of material by mechanical transport including loading, unloading all complete

stone aggregate at an avg. lead of 8km

sand at an avg lead of 8km

cement at an avg lead of 5 km

Disposal of excavated material/whatsoever from canal beyond ist 50 meter lead up to dumping site as identified by engineer incharge.

Carriage of C.I pipes by mechanical transport including loading, unloading all complete @ 12 km lead.