PROVN OF B VEHS PARKING SHED FOR 02 X VEHS AT UNIT LOC NO I UNDER GE GANGTOK 2ND Call

Excavation in post holes in soft/loose soil or similar holes each n exc 0.5 cum getting out returning, filling in and ramming earth or broken rubble mixed with earth around, in layers not exceeding 25 cm and remaning surplus soil removing to a distance n exc 50cm and making good surface, complete all as specified and directed.

M&L for plain cement concrete (1:3:6), type C2 (using 40mm graded crushed stone aggregate) as in foundation filling and mass concrete, complete all as specified and as directed.

S&F fo Rolled sections as in main and cross beams, hip and jack rafters; purlins where connected to common rafters and running rails and guides for sliding doors; fixed with angle cleats or other connecting plates etc conforming to Gde 410 W (Gde-E-250) quality -B- including one shop coat of zinc chromate primer paint (including preparation of surface) at Contractor’s workshop before fabricationcomplete all as specified and directed.

S&F of pre-painted galvalume aluminum zinc coating GI based corrugated steel sheet 0.50mm thick of an colour having tensile strength of 550 Mpa as in roof covering/cladding to wall, fixed with self tapping screws all as specified and directed.

M&L for preparation of new steel surfaces of any description over 10 cm width or girth and applying two coats of synthetic enamel paint over a coat of red oxide, zinc chrome primer, complete all as specified and directed.

urface excavation n exc. (not exceeding) 30 cm deep and averaging 15cm deep and getting out soft/loose soil, all as specified and as directed.

M&L for 150 mm thick plain cement concrete(1:3:6), type C2 (40 mm graded stone aggregate) as in Sub Base of floor including finish the surface even and rough, complete all as specified and directed.

M&L 100 mm thick Cement concrete type B-2 1:2:4 (40 mm graded aggregate)as in floor, hardstanding finished cement concrete surface even and smooth without using exra cement complete all as specified and directed.

M&L for hardcore using broken stone or boulders of gauge n exc. 63mm, deposited, spread and levelled in layers n exc. 15 cm thick, watered and rammed to a true surface, complete all as specified and directed.

M&L for walling of random rubble, uncoursed, well bonded, bedded and solidly hearted, built in cement mortar 1:6 n exc 15 CM thick complete all as specified and as directed.

M&L for providing cement concrete (1:2:4), type B-0, (using 12.5 mm graded aggregate) as in coping /parepet wall/bed plate /Kerb stone etc. with plain fair faces including chamfers, weathering, slightly rounded or chamfered angles and throating, including necessary form work, complete all as specified and directed.

M&L for precast cement concrete hollow block masonry exc. 10 cm in width and setting in (1:6) cement mortar type (1:3:6) using (20mm graded aggregate) as per IS 383, complete all as specified and as directed.

M&L for rendering 20mm thick (two layer, 10mm and 10mm thick) in cement mortar (1:4) on old brick work or concrete surfaces, finished even and smooth (without using extra lime or cement), including mixing of water proofing compound complete all as specified and directed. (Note: WPC will be measured and paid separately as supply only.

M&L for 15 mm thick rendering in cement mortar (1:6) on stone masonry surfaces or surfaces on fair faces of brick or concrete surface work, rendering finished even and smooth (without using extra cement), complete all as specified and directed.

M&L preparation of new plastered or unplastered surfaces of walls and applying three coats of white wash on wall, complete all as specified and directed.

Supply only liquid water proofing compound, all as specified and as directed.

Demolition of cement concrete (unreinforced) of any description and in any position not otherwise specifically provided for, complete all as specified and directed.

Rough excavation not exceeding 1.5 m deep and getting out in soft / loose soil, all as specified and directed.

Excavating in trenches, n exc 1.5 m wide and n exc 1.5 m in depth; for foundation, laying of underground cables etc. or for shafts, wells, cesspits, manholes, pier holes, under groung cables etc. n exc 10 sq m on plan and n exc 1.5 m in depth and getting out in soft / loose soil, complete all as specified and directed.

M&L for plain cement concrete (1:3:6), type C-2 (using 40mm graded stone aggregate) as in plum concrete in retaining walls etc. including plums of stone boulders (Basalt, trap or any other approved) of size 200 to 300mm, complete all as specified and as directed. (Ref TD Drg No SZ/TD/332/2015 sheet No 1/1) Note: Boulders measured and paid separately in respective item)

Supply only boulders exceeding 20cm and upto 30cm dia (Basalt, trap or any other approved) of size 200 to 300mm, complete all as specified and as directed.

M&L for hand packing using broken stone or boulders exceeding 15cm and upto 30cm dia (any thickness) at back of retaining walls over arches etc. and raising (or lowering) to the required level, complete all as specified and directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exc 25cm in soft/loose soil all as specified and directed.

Removal of surplus excavated soils to a distance exc.500m and n.exc 1.50 km and depositing where directed, all as specified and as directed.

Use and waste of formwork to faces of walls, retaining walls, abutments, parapets and staircase railings and similar work including attached pillasters, buttresses, etc.; vertical or to batter flat rough finished surface of concrete, all as specified and directed.

S&F of geosynthetic material 75mm dia as in weep holes cover, complete all as specified and directed.

Supply only 75mm bore PVC (SWR) pipe single socketed, in any length with rubber ring joints, as in weep holes, all as specified and directed.

Note 1:- (Applicable for all parts/items) : The bidders/contractors are advised to read tender document, all drawings & all corrigendum / amendments and general condition of contracts before entry / quoting the rates. Note 2:-The contract sum shall be arrived at after deducting amount of schedule of credit from the total quoted amount.