Construction of 10 Bedded Hospital at 9th Bn ITB Police, Lohitpur (Ar.P)

Clearing jungle including uprooting of rank vegetation, grass, brush wood, low height vegetation, trees and saplings of girth up to 30 cm (measured at a height of 1m above ground level) and removal of rubbish up to a distance of 50m.

Dismantling of flexible pavement (bituminous courses) by mechanical means and disposal of dismantled material up to a lead of 1 kilometre, as per direction of Engineer-in-charge

Demolishing brick work manually/ by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 metres lead as per direction of Engineer-in-charge. (IN CEMENT MORTAR)

PROVISIONAL SUM for the shifting/relocation of existing electrical or telephone utility poles and lines traversing the site. Includes all liaison work, official application fees, payment of Departmental Demand Notes, and any associated minor civil dismantling/refilling. (Note: Payment to the contractor shall be strictly as per actual official receipts + 3 % liaison percentage).

Disposal of building rubbish / malba / similar unserviceable, dismantled or waste materials by mechanical means, including loading, transporting, unloading to approved municipal dumping ground or as approved by Engineer-in-charge, beyond 50 m initial lead, for all leads including all lifts involved.

Earth work in excavation by mechanical means (Hydraulic excavator)/ manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, for all lift, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m for all kind of soils

Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 and for all lift. (tenches and plinth, porch ramp, septic tank soak tank etc)

Supplying and filling in plinth with sand under floors, including watering, ramming, consolidating and dressing complete.

Providing and injecting chemical emulsion for PRE-CONSTRUCTIONAL anti-termite treatment along the external wall perimeter, foundation trenches, and plinth (using Chlorpyrifos 20% EC). The contractor shall execute treatment strictly as per IS 6313 (Part-II) in three stages: Stage 1 – Trench Bottom: After excavation and leveling, and before PCC, spray the trench base and sides uniformly @ 5 L/sqm. Stage 2 – Vertical Faces: During backfilling, treat soil in contact with substructure/retaining walls by rodding and pouring emulsion @ 7.5 L/sqm of vertical surface. Stage 3 – Plinth Top: After compaction and before floor PCC, make 50–75 mm deep holes at 150 mm grid and apply emulsion to saturate soil @ 5 L/sqm. Measurement is base on plinth area of trenches not the developed surface area. Treatment must be executed using approved, ISI-marked Chlorpyrifos 20% EC (or equivalent approved), diluted to a 1% concentration (1 part chemical to 19 parts water).

Providing and laying in position cement concrete 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) all works upto plinth level (Used for: The 100 mm bed under the footings, and the 150 mm strip bed under the foundation brick wall)