Siliguri Jalpaiguri Development Authority Tender

(II) Cement concrete with 30 mm down graded shingles excluding shuttering. (a) 1:3:6 proportion

Ordinary Cement concrete (mix 1:2:4) with graded stone chips (20 mm nominal size) excluding shuttering and reinforcement,if any, in ground floor as per relevant IS codes. (i) Pakur Variety

Hire and labour charges for shuttering with centering and necessary staging upto 4 m using approved stout props and thick hard wood planks of approved thickness with required bracing for concrete slabs, beams and columns, lintels curved or straight including fitting, fixing and striking out after completion of works (upto roof of ground floor) a) 25 mm to 30 mm thick wooden shuttering as per decision & direction of Engineer-In-Charge.

Dismantling all types of plain cement concrete works, stacking serviceable materials at site and removing rubbish as directed within a lead of 75 m. In ground floor including roof. (a) upto 150 mm. thick

Box cutting or filling in Road embankment in all sorts of soil including spreading the spoils properly over the flank as necessary or on berm to approximate grade & camber and rolling the sub-grade with power roller to proper camber and grade as per direction and satisfaction of Engineer-in-charge including uprooting and removing plants and jungles when and where necessary (a) Depth up to 150 mm.

Granular Sub-base with Graded Material Plant Mix Method: Construction of granular sub-base by providing graded material, mixing in Wet Mix Plant at OMC, carriage of mixed material to work site, spreading in uniform layers with Motor grader on prepared surface in proper grade and camber, compacting with vibratory power roller to achieve the desired density,including lighting, guarding, barricading, including cost of all materials, machinery, tools and plants and cost of quality control complete as per Claus 401 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). (iii) Grading – III

Water Bound Macadam Base Course Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with vibratory roller 8-10 tonnes in stages to proper grade and camber, applying and brooming requisite type of screening / binding materials to fill up the interstices of coarse aggregate, watering including lighting, guarding, barricading and making necessary earthen bundh of one metre width on each side and preparing the bed by necessary cutting or filling, including cost of all materials and hire and labour charges of all men and machinery and compacting to the required density, as per Clause 404 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). (iii) Grading-II Aggregate (53 mm to 22.4 mm) Using Stone Screening Type B (11.2 mm) B. Manual Means

Dismantling of Flexible Pavements Dismantling of flexible pavements and disposal of dismantled materials upto a lead of 100 m, stacking serviceable and unserviceable materials separately as per Technical Specifications Clause 202 for Rural Roadsof MORD.

Bituminous Macadam using Hot Mix Plant (HMP) Providing and laying bituminous macadam with Hot Mix Plant using approved crushed aggregates of specified grading as per Table 500.7 premixed with bituminous binder, transported to site laid over a previously prepared surface at specified laying temperature with paver finisher to the required grade, level and alignment and rolled with suitable power roller for break down, inter-mediate and finished rolling as per specification to achieve the desired -compaction including cost and carriage of stone materials and bitumen, hire charges of machinery and equipment, cost of fuel and lubricants and wages of operational staff, quality control complete as per Clause 504 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). B. For Grading 2 (19 mm nominal size, 50-75 mm thick.) (ii) Using Drum mix Type HMP of minimum capacity 60-90 TPH.

Providing and applying tack coat with Cationic Bitumen Emulsion of approved grade conforming to IS: 8887-1978 on the prepared surface cleaned with Hydraulic broom, moistening the surface including cost and carriage of emulsion, hire charges of machinery and labour, cost of fuel and lubricants all complete as per Clause 503 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). (ii) On Granular surfaces treated with primer (Using Bitumen emulsion at the rate of 0.25 to 0.30 kg per sqm.)

Providing and laying Mastic asphalt wearing course with paving grade bitumen meeting the requirements given in table 500-29 using approved coarse aggregate, fine aggregate, filler material and bitumen, prepared by using Mastic cooker including cost and carriage of all ingredients, cost of heating aggregates and binder, mixing in specified proportions conforming to approved Job Mix Formula and laid to required level and slope after cleaning the surface, compacting, sealing the construction joints and surface finishing conforming to specifications including providing antiskid surface with bitumen pre-coated fine-grained hard stone chipping of 13.2 mm nominal size at the rate of 0.005 cum per 10 sqm and at an approximate spacing of 10 cm center to center in both directions, pressed into surface when the temperature of surfaces not less than 100°C, protruding 1 mm to 4 mm over mastic surface, including the hire charges of all tools and plants and machinery, pay of operators, cost of fuel and lubricants and all other incidental charges and quality control all complete as per Clause 516 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). (i) 25 mm thickness

Supplying Sign Board ( 1500mmx900mm) made of M.S angle frame (50x50x6) , Sheet (0.50 mm) fitting fixing such with digging holes of dia 450 mm and depth 750 mm in allsorts of soil and repacking and consolidation the gap around the post with cement concrete (1:3:6) including priming, two coat painting & lettering both side etccomplete in all respect as per direction of the Engineer-in-charge.payment of concrete to be made separately.

Add GST @18%

Add Labor Welfare Cess @ 1%