Public Works Department Tender

Removing all types of Hume pipes and stacking within a lead of 1000 m including Earthwork and Dismantling of Masonry Works as per Technical Specification Clause 202 for Rural Roads of MORD. (b)Above 600 mm to 900 mm Dia Hume Pipe

Dismantling Brick/Tile Work Dismantling of existing structures like culverts, bridges, retaining walls and other structure comprising of Brick masonry, cement concrete, steel work, including disposal of unserviceable material and stacking the serviceable material with all lifts and lead of 1000 m as per Technical Specifications Clause 202 for Rural Roads of MORD. a) Lime Motar

Excavation for Structures Earth work in excavation of foundation of structures as per drawing and technical specification, including setting out, removing, spreading or stacking of spoils within a lead of 150 m. as directed and including trimming the sides of the trenches, leveling, dressing and ramming the bottom, and backfilling with approved material complete as per direction of the Engineer-in-Charge. II. In all sorts of soil excluding marshy soil & rocks (soft or hard) by mechanical means (using excavator of suitable capacity). (i) Depth up to 3m depth & i) With Pumping out Water

Sand filling in foundation trenches and at the back of abutments, wing-walls etc. with good local sand free from earth in layers not exceeding 15 cm. including inundating each layer by profuse water and poking and ramming layer by layer complete including supply of sand. Quality of sand is to be approved by the Engineer-in-charge.

Providing and Laying Reinforced Cement Concrete Pipe NP4 as per design in Single Row Providing and laying reinforced cement concrete pipe NP4 with spigot socket for culverts on first class bedding of granular material in single row including fixing with cement mortar 1:2 as per Technical Specification Clause 1106 for Rural Roads of MORD. (1200 mm Dia)

Laying concrete cradle bedding with M15 Grade Cement Concrete as per Clause 1105 (i) for Rural Roads of MORD. i) Type A (Concrete Cradle) Bedding

Plain / Reinforced Cement Concrete in Open foundation with or without reinforcements, in any part of foundation of bridges / culverts with graded stone chips of appropriate nominal sizes, including screening and cleaning of coarse aggregates, fine aggregate (sand) conforming to proper grading zone, both of approved quality and cement, as necessary, cost of curing with water, including cost and carriage of all materials and including preparation of design mix, approval of the same by the Engineer-in-Charge, cost for quality control, sampling, testing etc. including cost of formwork but excluding reinforcement complete as per drawing and technical specifications. a) PCC Grade M-20

Providing weep holes in Brick masonry / Plain / Reinforced concrete abutment, wing wall/ return wall with 100 mm dia AC pipe, extending through the full width of the structure with slope of 1V:20H towards drawing face. Complete as per drawing and Technical specifications.

Earthwork in filling in foundation trenches with good earth in layers not exceeding 15 cm. including watering and ramming layer by layer complete with earth obtained by fresh excavation of land arranged by Department within a lead of 150m.

Back filling behind abutment, wing wall and return wall complete as per drawing and Technical specification. A) Granular material

Construction of Sub Base using Local Materials, spreading in uniform layers with Motor grader on prepared surface, including screening the metal as necessary, mixing by mix in place method with Rotavator at OMC, and compacting with vibratory roller to achieve the desired density, lighting, guarding and barricading including cost and carriage of all materials and making necessary earthen bundh of one metre wide on each side to protect the edges complete as per Clause 401 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). (i) For Construction of Sub Base by compacting 1st class brick aggregates (40 mm down) and sand (in proportion of 60:40).

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

Providing and applying primer coat with Cationic Bitumen Emulsion of approved grade conforming to IS: 8887-1978 and requisite quantity on prepared surface of granular base including cleaning of road surface and spraying primer using Mechanical means including cost and carriage of bitumen emulsion and all other incidental costs of work complete as per Clause 502 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). (i) For WBM / WMM Surface: (with primer @ 0.70-1.0 kg/sqm)

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.)

(i) On Bituminous Surface (Using Bitumen Emulsion at the rate of 0.20 to 0.30 kg per sqm.)

Open Graded Premix Surfacing with using Bituminous (Viscosity grade paving bitumen/Modified Bitumen) Binde and Mobile Hot Mix Plant(Light Duty) Providing , laying and rolling of open graded premix Surfacing of 20 mm thickness composed of 13.2 mm (@ 0.018 m3/m2) and 11.2 mm (@ 0.009 m3/m2) size stone aggregates, including thoroughly cleaning the surface,Screening, cleaning ans pre heating applying stone chips and fully precoating the same either using viscosity grade paving Bitumen or Cut Back or Immulsion, carrying the mixure by any suitable arrangements laying the mixture uniformly over the surface including line, grade and level to serve as wearing course on a previously prepared base including mixing mobile hot mix plant(Ligh Duty) and thoroughly rolling with a smooth wheeled roller 8-10 ton Capacity, finished to require level and graded including the cost and carriage of stone matrix, heating the matrix, preheating the aggregates to required temperature and including hire charges of Mobile Hot Mix Plant(Light Duty) and othe mechineries, Pay of Operators, Cost of Fule and Lubricants etc. complete to be followed by Seal Coat either Type A or Type B as per Technical Specification Clause 508 for Rural Roads of MORD.

Providing and laying Premixed Seal Coat (Type B) with approved quality sand/grit @ 0.6 m3/ 100 m2 and bitumen binder on thoroughly cleaned black top surface coated with tack coat, including heating and mixing cleaned sand/grit (100 % passing through 2.36 mm sieve and retained on 180 micron sieve) uniformly with bitumen binder, laying and spreading the mix at an uniform rate using suitable means, brushing the surface, if necessary, to ensure uniformity, followed by rolling with power roller including the cost and carriage of binder and aggregates, cost of heating the binder and aggregates and all other incidental charges, cost of fuel and lubricants, including hire charges of machineries, tools & plants required for construction and quality control complete as per Clause 511 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). I. Mechanical Means (i) With Hot Bitumen Binder (@ 6.80 kg / 10 sqm.)

GST-18% (sgst=9% & cgst=9%)ADD

WEST BENGAL LABOUR WELFARE CESS=1% ADD