Annual Maintenance of Civil Works for Animal Section of PNHZ Park and its Subsidiary units

Annual Maintainence of Enclosures at PNHZ Park, Darjeeling and its Subsidiary Units

Earth work in excavation of foundation trenches or drains in all sorts of soil (including mixed soil but excluding laterite or sand stone) including removing, spreading or stacking the spoils within a lead of 75m. as directed. The item includes necessary trimming the sides of trenches, levelling, dressing and ramming the bottom, bailing out water as required complete. .

(a) Depth of excavation not exceeding 1.500 mm.

Laying 150 mm. to 200 mm. boulder soling including rough dressing hand packing and ramming down small pieces in the interstics including rolling and preparing the bed to proper level and filling up all joints with sandy clay or earth.

Cost of stone boulder 150 mm size delivered ans stacked at site.

Rubble masonry in cement (1:6) with hard dressed stones from approved quarries and clean, coarse and washed sand including carriage of all materials to site

In Road and Jhora Work

M.S structural work in colums, beams etc. with simple roled structural members (e.g. joints angle, channel sections conforming to IS: 226, IS: 808 & SP (6)- 1964 connected to one another with bracket, gussets, cleats as per design, direction of Engineering -in- charge complete including cutting to requisite shape and length, fabrication with necessary bolting, metal arc weldingconforming to IS: 816 - 1956 & IS :1995 using electrodes of approved make and brand conforming to IS: 814 - 1957, haulage, hoisting and erections all complete. the rate includes the cost of rolled steel section, consumables such as electrodes, gas and hire charge of all tools and plants and labour required for the work including all incidential charges such as electricity charges, labour incurance charges etc.(Payment to be made on the basis of calculated weight of structural members only in finished work as per IS specified weight. Payment for Gusset, bracket, cleat, rivets, bolts and nuts may be make by adding

(I) For structural members/built up sections of specified sections weighing less than 22.5kg./m.

Supplying, fitting , fixing chain link fencing of approved quality with R.C.C. posts, wooden posts or iron posts by means of galvanised 'C' clips to grid of horizontal stands of galvanised high tensile spring stell wire of 12 S.W.G. which have to be tensioned and fixed to the vertical posts by means of galvanised special clips, bolts and nuts etc. (The rate is exclusive of the cost of posts.).