PROVN OF HARDSTANDING FOR 30 X B VEH PARKING NEAR NP-30 (URO) AT KANCHRAPARA UNDER GE BARRACKPORE

Amount

Excavation over areas, not exceeding 1.5m deep and getting out in soft/loose soil complete all as directed.

Spreading and levelling in layers n.exc 25cm thick, well rolled, compacted, including watering the surface as required in reqd slope to drain out rain water complete all as specified and as directed. (Note: Soil shall be obtained from item No.1.00 above.)

M&L for Moorum/Red Bajri filling in floors or pavings, layers not exceeding 25 Cm thick spread, levelled and rammed including watering complete all as specified and directed.

M&L for sand filling under floors or in foundations including watering and consolidation complete all as specified and directed.

M&L for PCC (1:3:6) type C-2 (using 40 mm graded crushed stone aggregate) as in foundation filling and mass concrete complete all as specified and directed.

M&L for PCC (1:2:4) type B0 (using 12.5mm graded crushed stone aggregate) as in parapets and coping and the like including weathering, slightly rounded or chamfered angles and throatig complete all as specified and directed.

M&L for Precast cement concrete (1:3:6) type C-1 (using 20 mm graded crushed stone aggregate) as in concrete block masonry with solid blocks, exc. 10 cm in width and setting in mortar (1:6) complete all as specified and directed.

M&L for Flush pointing on block masonry in CM (1:4) as work placed complete all as specified and directed.

M&L for 200mm thick Soling (or sub base) with broken boulders or quarried stone, interstices filled, surface formed and rolled and consolidated to required gradient and camber all as specified and directed.

M&L for Rolling and consolidating formation surfaces with suitable compaction using vibratory roller exc 8 tonne but n.exc 12 tonne etc. Under optimum moisture content to achive at least 98% maximum dry density (modified PROCTOR density) complete all as specified and directed.

M&L for 200mm thick Pavement Quality Concrete (PQC), design mix, in pavement/ hardstanding of flexural strength 40kg/per square centimetre in field using 400 kg of cement per cubic metre complete all as specified and directed. Note: (a) Rate shall be included of mixing only non circular Synthetic monofilament polyster fibre as per Mix Design reqmt. (b) Rate shall be include use and waste of side form for laying pavement concrete/hardstanding in bays between joints and Contraction expansion joint/or between the two contraction joints for thickness of pavement upto and including 25 cm. (c) Non-circular Synthetic monofilament polyster fiber reinforcement and admixture (super plasticizer) shall be measured and paid seperately. (d) Forming Construction joints, Dummy/Contraction joints and Expansion joints shall be measured and paid separately under respective items. (e) No deduction shall be made in computing concrete quantity for Construction and Dummy/Contraction joints. However deduction shall be made for Expansion joints. (f) No price adjustment shall be applicable if additional quantity of cement content is used/approved in the execution of work under this item however minus price adjustment shall be made for less quantity of cement used in the work @ Rs.6.00/- Per Kg.

Supply only non circular, virgin, synthetic, monofilament polyster fibres of lenght 12-18mm, specific gravity 1.34-1.39, UV stable, alkali resistant, quivalent dia 30-35 micron, melting point 240°C-260°C and minimum tensile strength 300 Mpa be used up to 0.25% by wt of cement or as per manufacturer instruction/design mix in PQC as secondary reinforcement. Note: (a) All properties/specifications shall meet test parameters as per IS 16481-2016

Supply only high performance water reducing super platicising admixture (Fosroc Conplast SP500 or equivalent to IWL/Sika/IWP/Pidilite) for producing pumpable concrete of high grade strength, low permeability, high early strength, improve workability, dense and close textured concrete with reduced porosity and high cohesion for reducing risk of segregation and bleeding complete all as specified and directed.

Forming 12mm thick Expansion joints filled with pre-formed polyethylene joint filter (Fosroc Hydrocell XL or equivalent) and top 30mm primed (Fosroc Primer 7E or equivalent) and sealed with sealing compound, Grade ‘A’ (Fosroc Thioflex 555 or equivalent) for concrete pavement 250mm complete all as specified and directed.

Forming Contraction (Dummy) joints with diamond cutter, 65mm deep x 10mm wide, filled with sealing compound Grade 'A' (Fosroc Thioflex 555 or equivalent) before priming the surface complete all as specified and directed.

Forming Construction joint with diamond cutter, 30mm deep x 10mm wide filled with sealing compound Grade 'A' (Fosroc Thioflex 555 or equivalent) before priming the surface complete all as specified and directed.

Finishing surface of concrete pavements, by belting and finally brooming when concrete still remains green complete all as specified and directed.

M&L for preparation concrete pavement and marking 2.0mm thick centre lines, stop lines, dashes, arrows etc and the like n.exc 10 cm wide on roads pavements with hot applied thermo plastic road marking paint of approved colour confirming to BS 3262-1989 with special applicator machine all as per manufacturers instruction complete all as specified and directed.

M&L for laying and compacting 75mm thick (compacted) thickness Wet Mix Macadam (WMM) grading as per table 400-13 of MORTH specififations for Road and Bridge works 2013 manufactured in WMM plant, material comprising of clean, crushed, graded aggregate and granular material premixed with water to a denes mass, spreading and rolling with vibratory roller of capacity 80-100 KN static weight and consolidating to required gradient and camber complete all as specified and directed. The finished surface tolerances to be as per Table 900-1 or MORTH specifications for Road and Bridge works 2013 complete all as specified and directed.

Supplying and laying 400 micron thick HDPE sheet (Virgin Quality) water proof, wrinkle free without punctre having minimum weight 390 gm/Sqm over sand cushion as specified and directed with over lap between adjacent strips and at transverse joints as minimum 300mm complete all as specified and directed.

PRESCIENCE TECHNO INDUSTRIES

M/S. ARUP KUMAR DEY

INDUSTRIAL CONSTRUCTION

M/s S K SHARMA

N C DUTTA

CHATTERJEE ENTERPRISE

DE CONSTRUCTION CO

M/S KARTICK CHANDRA CHAKRABORTY