Retrofitting of 1 no. Clarifier 6B and 1 no. inlet to meet the enforced stringent effluent norms of STP North Disposal.5.80MLD Capacity

Retrofitting of inlet chamber including installation of manual and mechanical bar screens of make Jash, Triveni, Johson or any equivalent make alongwith required elctro mechanical components with all allied accessories & fittings complete with all respect within all leads and lifts complete as per direcion and satisfaction of Engineer-in-Charge.

Retrofitting of clarifier 6B including clarifier mechanism with scum removsl, Central well for Clarifier, Skimmer with Scum trough alongwith required elctro mechanical complonents within all leads and lifts complete as per direcion and satisfaction of Engineer-in-Charge.

Providing and fixing railings across calrifiers and clariflocculator with 1.20 metres height complete in all respect including debris disposal with all leads and lifts complete as per direcion and satisfaction of Engineer-in-Charge..@30Kg/Mtr

Steel work welded in built up,sections, trusses and framed work,including cutting, hoisting, fixing in position and applying a priming coat of red lead paint: (In grating, framed guard bars, ladders, railing, brackets and similar works.)

Providing and laying cement concrete 1:3:6 ( 1 cement: 3 sand:6 graded stone aggregate 20mm nominal size) and curing complete excluding cost of form work work in foundation and plinth including all leads and lifts complete in all respect as per the direction of Engineer-in-charge. (For construction of pathways to all processing units)

Excavation in foundation, trenches etc., in earth work in all type of soil such as pick work, jumper work, blasting work Kankar, moorum shingles including decomposed soft and hard rock etc., up to all heights stacking the excavated earth not more 3 meters clear from the edge of excavation and then returning the stacked soil in 15cm. layers, when required into plinth and sides of foundation etc., consolidating each deposited layer by ramming and watering and then disposing of all surplus excavated earth up to including all leads and lifts complete in all respect and as per the direction of Engineer-in-charge.

Providing form work with steel plates 3.15mm thick welded with angle iron in frame 30x30x5mm so as to give a fair finish including centring, shuttering, strutting and propping etc., with wooden battens and ballies, height of propping and centring below supporting floor two ceiling not exceeding 4 metres and removable of the same for insitu reinforced concrete and plain concrete work Vertical surface such as walls any thickness partitions and the like including attached pillastes buttresses plinth as string courses and like including all leads and lifts complete in all respect and as per the direction of Engineer-in-charge.

Providing and layingCement Concrete work 1:4:8 (1cement :4sand :8stone aggregate 40mm nominal size) and curing complete excluding cost of form work in :- Foundations & plinthexcluding the cost of form work in Retaining Walls/Breast walls , the size of plums shall usually be 150 mm to 300mm as per H.P.P.W.D specification including all leads and lifts etc., complete in all respect. and as per the direction of Engineer-in-charge. (Protection work for additional passage to all units)