Maintenance of water supply system Proposed construction of compound wall on the Northern side along approach road to Laboratory and Master Balancing Reservoir at Verna

Surface dressing of ground including removing vegetation in equalities not exceeding 15 cm deep and disposal of rubbish lead upto 50 m and lift upto 1.5 m.;Ordinary soil

Earthwork in excavation by mechanical means hydraulic excavator manual means in foundation pipeline trenches or drains not exceeding 1.5m in width 10 sq.m on plan including dressing of sides,ramming ofbottoms,for all lead and lift including getting out the excavated soil and disposal ofsurplus soil with all lead including providing barricading, danger lighting, guardingas directed by the departmental officer in all types of strata comprising anyof the materials such as soil silt sand clay gravel moorum of all conglomerated lateriterock soft rock fissured shattered decomposed rock or weathered rock and all such other materials as described in AppendixA to these specs either in full or in parts as these case may be adopting any approved method as may be convenient or permitted incl. of chiseling wedging etc blasting prohibited in all conglomerates as directed by the EIC etc completeincl.All kinds of soil/ All types of ordinary rock including all types of laterite rock blasting prohibited

Rubble packing with hard laterite stone under floors including watering ramming and consolidating etc. in pipeline trenches and other foundations complete.

Providing and laying in position cement concrete 1:2:4 (1 cement : 2 coarse sand: 4 graded granitic or basaltic stone aggregate 40 m nominal size) excluding cost of centering shuttering and finishing :;All works upto plinth level

Laterite masonry in neatly dressed stones of size as specified in cement mortar 1: 4 (1 cement : 4 coarse sand) in foundation and basement.

Refilling the pipeline/foundation trenches plinth sides foundation etc. with available excavated earth in layers not exceeding 20 cm depth consolidating each layer ramming and watering lead upto 50 M and all lifts and disposal of surplus earth as directed by Engineer in Charge.

Pointing on stone work with cement mortar 1: 3 (1 cement: 3 fine sand);Flush pointing

12mm cement plaster 1:3 (1 cement : 3 fine sand)

Painting three or more coats with acryllic exterior paint of approved brand and manufacture (Such as Dulex/ Asian Paints/ Sherwin Willians) including applying one coat of cement primer and one coat of surface treatment etc. complete.

1.2 mt. height fencing with 1.20mt. R.C.C. posts of standard 30 design placed at 3 mt. apart embedded in cement concrete blocks corner end & every 10th post to be strutted with 9 horizontal lines & two diagonals of barbed wire 9.33 kg/100 mt. minimum between two posts fitted and fixed with G.I. stapples on wooden plug tied to 6mm bar nib with binding wire (cost of posts struts earthwork and concrete to be paid separately );G.I. barbed wire