Construction of Heliport at Shimla (SH Chain link permeter Fensing at Heliport at Shimla

Amount

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means in foundation trenches or drains (not exceeding 1.5 m (One point five metre) in width or 10 sqm (ten Square Metre)on plan) in all kinds of soil. including dressing of sides and ramming of bottoms including setting out, construction of shoring and bracing, removal of stumps and other deleterious materials and disposal in all leads and lifts including dressing of sides and bottom and back filling in trenches with excavated suitable materials. All work of rock cutting by blasting shall be carried out by taking all necessary precautions against soil erosion damage to hill side water pollution etc. and to protect stability of hill side rock shall be excavated with chiseling and wedging out rock (where blasting is prohibited) all earth work in cutting/ excavation including rock excavation shall be carried out true to lines grades, side slopes, width , camber super elevation and level as shown on the drawings or as directed by the Engineer-in-charge hauling and stacking of materials useful for construction at suitable sites and safe disposal of unsuitable cut materials in specified dimension or as directed by the Engineer-in-Charge. If the foundation of the structure is in an area with stagnant water or water is met with in the excavation due to spring seepage rain and other causes it shall be remove by suitable diversion bailing out or pumping as directed and the area of the foundation or embankment shall be kept dry. All the surplus excavated earth to be dumped at dumping site(dumping sites will be arranged by the contractor on his own cost).Any loss to the public or private property during the course of excavation shall be the sole responsibility of the contractor which shall have to be dully compensated by him at his on cost in all cases. including carriage of materials in all leads and lifts as per the directions of the Engineer-in-Charge.

Filling available excavated earth (excluding rock) in trenches, plinth, sides of oundations etc. in layers not exceeding 20cm (twenty centimetre) in depth, consolidating each deposited layer by ramming and watering, lead up to 50 m(fifty metre) and lift upto 1.5 m. including carriage of materials in all leads and lifts as per directions of the Engineer-in-Charge.

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level including carriage of materials in all leads and lifts as per directions of the Engineer-in-Charge. (I)1:2:4 (one cement : two coarse sand) : four graded stone aggregate 20 mm(twenty milimetre) nominal size)

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level including carriage of materials in all leads and lifts as per directions of the Engineer-in-Charge. (I)1:4:8 (one Cement : four coarse sand) :eight graded stone aggregate 40 mm(forty milimetre) nominal size)

Centering and shuttering including strutting, propping etc. and removal of form for including carriage of materials in all leads and lifts as per directions of the Engineer-in-Charge. (I)Foundations, footings, bases of columns, etc. for mass concrete

Steel work welded in built up sections/ framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer using structural steel etc. as required including carriage of materials in all leads and lifts as per the directions of the Engineer-in-Charge. (I)In gratings, frames, guard bar, ladder, railings, brackets, gates and similar works

Applying priming coats with primer of approved brand and manufacture, having low VOC (Volatile Organic Compound ) content including carriage of materials in all leads and lifts as per the directions of the Engineer-in-Charge. (i)With ready mixed red oxide zinc chromate on steel/ iron works having VOC content less than 250 grams/litre.

Painting with synthetic enamel paint having VOC(Volatile Organic compound) cement less than 150(One hundred fifty) grams/ litre of approved brand and manufacture, inlcuding applying additional coats wherever required to achieve even shade and colour including carriage of materials in all leads and lifts as per the directions of the Engineer-in-Charge. (i) Two coat.

Supplying at site Angle iron post & strut of required size including bottom to be split and bent at right angle in opposite direction for 10 cm(ten centimetre) length and drilling holes upto 10 mm (ten milimetre) dia. etc. complete including carriage of materials in all leads and lifts as per the directions of the Engineer-in-Charge.

Providing and fixing G.I. chain link fabric fencing of required width in mesh size 50x50 mm including strengthening with 2 mm (two milimetre) dia wire or nuts, bolts and washers as required complete as per the direction of Engineer-in-charge.(i)Made of G.I. wire of dia 4 mm(four milimetre) .

Abhijeet Sharma

Manishsharma