Restoration of Rain Damages Construction of retaining wall for protection of sludge bed and construction of wall for damaged sludge bed at STP Summerhill

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 frame 30x30x5mm so as to give finish including centering, shuttering, strutting and propping etc., with wooden ballies and battens height of propping and centring below supporting floor to ceiling not exceeding 4 metres and removal of the same for insitu reinforced concrete and plain concrete work in:- Foundation, footing, basis of columns etc. and mass concrete. Including all leads and lifts complete in all respects and as per direction of Engineer in Charge.

Providing and laying cement concrete 1:5:10 ( 1 cement: 5 sand: 10 graded stone aggregate 40mm nominal size) curing complete excluding cost form work in retaining walls/Breast walls, the size of plums shall usually be 150mm to 300mm as per H.P.PWD specification.complete.

Stone filling behind R/wall/B/wall

Providing weep hole of 100 mm dia @1 Sqm Each complete as direction of Engineer-in-charge.

for long wall of sludge bed

for long wall of sludge bed