Cleaning and Maintenance of Sludge drying beds and inlet Sumps at ETP of SMT NRL

Amount

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. All kinds of soil

Providing, laying and fixing HDPE (HIGH DENSITY POLYTHENE) sheet minimu of 100 microns, the Film shall be Uniform In Colour,Texture & Finish, Substantially Free From Pin Holes,& Undispersed Raw Materials, Streaks & Particles Of Foreign Matter,no other visible defects such as melt fracture,holes,tears or blisters. &Marking as per resp. size,batch no.& grade all complete as per direction of EIC.

Cleaning sludge drying beds by removing existing sand / stone chips / gravels / clay etc. and disposing the same to the designated location (within plant area) etc all complete as directed by EIC.

Providing, laying and spreading stone chips in sludge drying beds to a depth of 200 mm thick with stone chips sizes from 12 mm to 40 mm etc all complete as directed by EIC

Providing, laying and spreading coarse sand in sludge drying beds to a depth of 300 mm thick with sand sizes from 0.30 mm to 0.75 mm etc all complete as directed by EIC.

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

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level. 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size)

15 mm cement plaster on the rough side of single or half brick wall of mix : 1:4 (1 cement : 4 fine sand).

15 mm cement plaster on rough side of single or half brick wall finished with a floating coat of neat cement of mix : 1:4 (1 cement : 4 fine sand).

Providing extra unskilled manpower as per requirement of the department and instruction of Engineer-in-charge

TUSHTA GHOSH

M/s Ranjeet kumar

TECHNO RESOURCES