Kolkata Port Trust Tender

Stipping off worn out plaster and raking out joints of walls, ceilings etc. upto any height and in any floor including removing rubbish within a lead of 75m as directed.

Dismantle all types of Masonry excepting cement concrete plain or reinforced, stacking serviceable Materials at site &removing the rubbish as directed within a lead of 75 Mtr in ground floor including roof.

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.Upto 150 mm thick

Dismantling R.C. floor, roof, beams etc. including cutting rods and removing rubbish as directed within a lead of 75 m. including stacking of steel bars in ground floor including roof.

Dismantling of flexible pavements and disposal of dismantled materials upto a lead of 100 m stacking serviceable and unserviceable materials separately as per technical specification Cl 202 for Rural Roads of MORD . (a)Bituminous/Granular Courses . (i) by mechanical means

Supplying labours for taking out old paver blocks carefully, stacking the same in proper stack and depositing the spoils as directed within a lead of 150 m.

Earth work in filling in foundation trenches or plinth with good earth, in layers not exceeding 150 mm. including watering and ramming etc. layer by layer complete. (Payment to be made on the basis of measurement of finished quantity of work).(a) With earth obtained from excavation of foundation.

Filling in foundation or plinth by fine sand in layers not exceeding 150 mm as directed and consolidating the same by thorough saturation with water, ramming complete including the cost of supply of sand. (payment to be made on measurement of finished quantity)

Preparation and consolidation of sub-grade with power road roller of 8 – 12 tonne capacity after cutting exiting road upto required depth, dressing to camber and consolidation with road roller including making good the undulation etc and rerolling the sub-grade and disposal of surplus earth with lead upto 50 meters.

Dressing and chilchalling Road flanks including cutting and filling with earth up to 150 mm average thickness finished with outward cross-grade of 1 in 30 (Extra quantity of earth for filling shall be obtained from road side borrow pits.)

Removal of rubbish,earth etc. from the working site and disposal of the same beyond the compound, in conformity with the Municipal / Corporation Rules for such disposal, loading into truck and cleaning the site in all respect as per direction of Engineer in charge. [Note:- Not genareted from this execution work]

Cleaning rubbish , sludge , liquid earth , mud , debris and other materials etc. from kutcha /pucca surface drain of any size and upto 1.5 m deep including stacking the spoil within a lead of 75 metre by manual means. Payment will be made on the basis of actual measurement of spoils in dry condition.

Dismantling kerb stones by manual means and disposal of dismantled material with all lifts and upto a lead of 1000 m as per Technical Specification Clause 202 for Rural Roads of MORD.

Dismantling kerb stone channels by manual means and disposal of dismantled material with all lifts and upto a lead of 1000 m as per Technical Specification Clause 202 for Rural Roads of MORD

Construction of cement concrete kerb with channel with top and bottom width 115 and 165 mm respectively, 250 mm high in M 20 grade PCC on M10 grade foundation 150 mm thick, kerb channel 300 mm wide, 50 mm thick in PCC M20 grade, sloped towards the kerb, kerb stone with channel laid with kerb laying machine, foundation concrete laid manually, all complete as per clause 409 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). (The rate is inclusive of cost of all materials, labour, hire and usage charges of machinery and all incidental charges in this connection. (a) Using Concrete Mixer.

Single Brick Flat Soling of picked jhama bricks including ramming and dressing bed to proper level and filling joints with local sand.

Supplying and laying polythene sheet (150 gm/Sqm) over damp proof or below flooring or roof tarracing or in foundation or in foundation trenches.

Hire and labour charges for shuttering with hard wood for precast R.C Slab curved , or straight striking out the same including fitting & fixing the precast slab in position with necessary carriage and haulage hosting etc. complete in all respect (only the area in contact with concrete to be measured ).

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 groundfloor). (A) Steel shuttering or 9 to 12 mm thick approved quality ply board shuttering in any concrete work

(B) 25 mm to 30 mm shuttering without staging in foundation.

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

Ordinary Cement concrete (mix 1:1.5:3) with graded stone chips (20 mm nominal size) excluding shuttering and reinforcement if any, in ground floor as per relevant IS codes. Pakur Variety

Supplying ready mixed concrete of M-15 grade with well graded stone chips of 20 mm nominal size containing designed quantity of cement per cum of wet concrete produced in computerised batching plant under controlled condition using approved super plastisizer , designing concrete mix following IS 10262 and IS 456 transporting the mix with agitation in transit mixer to work site depositing the mix on a platform erected for the purpose at required levels of concreting and then placing the mix in its final location of form work, compacting and curing the same complete as per specification and direction of the Engineer-in-charge including compurised batching plant transit mixure will all accessories, vibrators etc inclusive of all other incidental charges in this connection complete but excluding cost of hire charge of platform and its staging which would be paid through separate item.[Cement to be supplied by the manufacturer or supplier]

Supplying ready mixed concrete of M 30 Grade with well graded stone chips of 20 mm nominal size containing designed quantity of cement per Cu.m of wet concrete produced in computerised batching plant under controlled condition using approved super plastisizer, designing concrete mix following I.S. 10262 and I.S. 456, transporting the mix with agitation in transit mixer to work site depositing the mix on a platform erected for the purpose at required levels of concreting and then placing the mix in its final location of form work, compacting and curing the same complete as per specification & direction of the Engineer-in-charge including computerised batching plant transit mixer with all accessories vibrators etc. inclusive of all other incidental charges in this connection complete but excluding cost of hire charge of platform and its supporting staging which would be paid through separate item. [cement to be supplied by the Manufacturer/ supplier] In ground floor and foundation Without approved concrete pump.

Brick work with 2nd class bricks in cement mortar (1:6).(a) In foundation & plinth. [Sanction Spl Rate , Ce's Regd No-151 C.Cell Dated 08.08.23]

Brick work with 2nd class bricks in cement mortar (1:6).(b) In Superstructure, ground floor.

125 mm thick brick work with 2nd class bricks in cement mortar (1:4) in ground floor.

Plaster (to wall, floor, ceiling etc.) with sand and cement mortar including rounding off or chamfering corners as directed and raking out joints including throating, nosing and drip course, scaffolding/staging where necessary (Ground floor).[Excluding cost of chipping over concrete surface] With 1:6 cement mortar. 20 mm thick plaster.

Neat cement punning about 1.5mm thick in wall,dado,window sill,floor etc. NOTE:Cement 0.152 cu.m per100 sq.m.

Providing , laying , spreading and compacting graded stone aggregates to wet mix macadam specification including screening of aggregates from granular materials premixing the materials with water at OMC in wet mix plant , carriage of mix materials by tipper to site , laying in uniform layers with paver in sub base / base course on well prepared surface and compacting with vibratory roller to achieve the desired density including supply of all materials , machinery , fuel and lubricants including incidental cost for lighting , guarding , barricading , making earthen bundh to protect the edges including cost of quality control complete as per clause 406 of specification for Road and Bridge works of MORTH (5th Revision )

Construction of dry lean cement concrete sub base over a prepared sub-grade with coarse and fine aggregate conforming to IS:383, the size of coarse aggregate not exceeding 25 mm, aggregate cement ratio not to exceed 15:1, aggregate gradation after blending to be as per specifications, cement content not to be less than 150 Kg/cum, optimum moisture content to be determined during trial length construction, concrete strength not to be less than 10 Mpa at 7 days, mixed in a batching plant, transported to site, for all leads & lifts, laid with a mechanical paver, compacting with 8-10 tonne vibratory roller, finishing and curing. (As per clause 601 of specifications for Road & Bridge Works of MoRT&H (5th Revision).

Supplying and laying in the specified pattern of Interlocking concrete block pavements (ICBP) with concrete blocks (with concrete grade as specified as per Table 1 of IS 15658:2006) manufactured in steel mould clamped to a vibrating table by hydraulic pressure (As per clause no 6.30 of IRC : Sp: 63 (2018) , from BIS license manufacturer , with spacer nib (small protruding profiles on the vertical face of a paver block used as a device for keeping minimum joint gap in between the paving block as per Cl No 3.26 of IS : 15658) and of specified size and shape with aspect ratio (the ratio of length to thickness of a paver block as per CL No 3.3 of IS : 15658) as per Table 2 of IS15658 with flexural strength / breaking load as per Annexure G of IS15658 on prepared base course of specified CBR as per table 1 of IRC SP 63 (2018) or else as mentioned in design and drawing with a couson of compacted bedding sand of 25-35mm thick (Grading of bedding sand as per clause 6.5.1 of IRC SP-63) and filling up the gaps in between paver block with joint filling sand (the grading of joint filling sand will be as per clause 6.5.2 of IRC SP-63) and completing the edges with cut blocks as per clause no. 8.7 of IRC SP-63 (2018) with proper confinement of bedding and joint filling sand, compaction, leveling and filling up of the edge gap.120 mm thick Grey.Dentated or dumble shaped.

Water Bound Macadam Sub Base by consolidating Jhama metal / Laterite chelly or stone metal / shingles of specific size in hard crust to requisite thickness (measured after compaction) in layers including screening of metals etc. as necessary,hand packing, sweeping, watering and rolling in stages with power roller to proper line, grade and camber, lighting, guarding & barricading and making necessary earthen bundh of one metre width on each side where necessary to protect edges and preparing the bed by necessary cutting or filling and rolling all complete including the cost of all materials and hire and labour charges of all men and machineries and compacting to the required density, as per Clause 404 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). For Construction of Sub Base by consolidating Jhama metal (63 mm to 45 mm) with moorum screening :

Providig, 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 lmen and machinery and compacting to lthe required density, as per Clause 404 of specifications for Road & Bridge works of MoRT & H(5th Revision), Grading-I Aggregate (63 mm to 45 mm) Using stone Screening Type A(11.2mm ) Manual Means.

Provide Reinforcement for reinforced concrete work in all sorts of structures including distribution bars, stirrups, binders etc initial straightening and removal of loose rust (if necessary), cutting to requisite length, hooking and bending to correct shape, placing in proper position and binding with 16 gauge black annealed wire at every intersection, complete as per drawing and direction. For works in foundation and upto roof of ground floor/upto 4 m. JSW/JSPL/SHYAM/SRMB/BMASL/ELECTROSTEEL/SSL. [BldgSch.W.E.F.-01-11-2017/1/C /40(a)/(II)/I, Page-43] & 10 th Corrigenda & Addenda. W.E.F.-01-11-2019 , Sl No-1]

Providing and laying reinforced cement concrete pipe NP4 with spigot socket for culverts on first class bedding of granular material in double row including fixing with cement mortar 1:2 as per Technical Specification Clause 1106 for Rural Roads of MORD. 600 mm dia

Loading,unloading and carriage of old taken out paver blocks/sand/rubbish from any location a distance of 5 km by truck as directed.

Carefully lay old paver blocks in line and level to match with existing paved surface including providing bedding layer with minimum sand (50 to 80mm avg.thik.) over hard and compacted base & completed by heavy duty vibretor plate compaction (joints filled with fine sand ) as per specification including all lead,lifts,materials,laboure rtc complete in all respect.

M.S. structural works in columns, beams etc. with simple rolled structural members (e.g. joists, angle, channel sections conforming to IS: 226, IS: 808 & SP (6)- 1964 connected to one another with bracket, gussets, cleats as per design, direction of Engineer-in- charge complete including cutting to requisite shape and length, fabrication with necessary bolting, metal arc welding conforming to IS: 816- 1969 & IS: 1995 using electrodes of approved make and brand conforming to IS:814- 1957, haulage, hoisting and erection all complete. The rate includes the cost of rolled steel section, consumables such as electrodes, gas and hire charge of all tools and plants and labour required for the work including all incidental chages such as electricity charges, labour insurance charges etc. Payment to be made on the basis of calculated weight of structural members only in finished work as per IS specified weight. Payment for gusset, bracket, cleat, rivets, bolts and nuts may be make by adding the actual weight of such items with the weight of finished structural members or 7% of weight for finished structural members weighing not less than 22.5 Kg. / m. or 15 % of weight for finished structal members weighing less than 22.5 Kg. / m. may be increased allow for bracket, cleat, rivet, bolts and nuts etc. and no seperate payment being made for these items, as per direction of Engineer In Charge. The rates are considered for a height of erection 8m. / 2nd floor level from the ground. Add 1.5% extra over the rate for each additional floor or 4m. beyond initiial 8m. or part thereof. I) For structural members of specified sections weighing less than 22.5 Kg./m

Providing supplying and fixing rubber speed braker having dimension 350mm x250mmx 50mm, weight per metre 19.75 kg,load bearing capacity 100 tonne with necessary leads,lifts,PPEs,tools,tackles, washer, epoxy chemical etc.Two pieces yellow and two pieces black brakers to be installed in a meter,with reflectors on both side of the braker.All complete as per approved best make,design and direction of the EIC.(The brakers shall have a replaceement warranty of 10 year)

Cutting to requisite length or shape departmental R.S. joists, channels, angles, tees, plates etc.(payment to be made on area of cut surface)

welding in M.S. structural work with gas or electric: (a) Tack weld.

(b)Continuous weld.

Supplying, fitting and fixing in position FRP/GRP/COMPOSITE UV stabilizer Gully Pit Cover with high abrasion surface of 7mm top thicknes, density of 2KG/m³ of approved make with rim of approved make (Heavy type) (i) 40 M.T. Gully pit cover (yard gully) with arrangement for opening of size Frame Clear Opening 640 mm X 240 mm. Cover Out to Out 700 mm X 300 mm.

Cleaning of chocked sewer line by diesel running vehicle, mounting hydralic operated high pressure suction cum jetting sewer cleaning machine fitted with pump having 4000 litres suction capacity and 6000 litres water jetting tank capacity including skilled fuel ,operator , supervior etc for cleaning and desilting of manholes and dechocking of swer lines from one manhole to another by high pressure jetting system of swer line upto 600 mm dia [Spl rate: 201 C.CELL dt:13/2/24]

Supplying & fixing of Raised Pavement Markers / Road Studs / Cats Eye made of polycarbonate moulded body and reflective panels with micro prismatic lens capable of providing total internal reflection of the light entering the lens face which shall support a load of 13635 kg tested in accordance to ASTM D 4280 Type H and complying to clause no 804 of MoRT&H's specification for Road & Bridge Works (Fifth Rev.). Marker height shall not be less than 10 mm and .The contractor will have to provide a test certificate from a reputable national/ international laboratory conforming the above specifications. shall not exceed 20 mm, width shall not exceed 130mm and with minimum reflective area of 13 sq.cm. on each side and slope to the base shall be 35 ± 5 degree. Fixing will be without nails but by using epoxy resin based adhesive as per manufacturer's recommendation including site clearance etc. and complete as directed by the Engineer in Charge.

Bituminous filler of approved type in expansion joints of dummy joints including finishing the top surface as directed . [Bldg Sch./1/T/6,Page-277]

(a) Priming one coat on steel or other metal surface with synthetic oil bound primer of approved quality including smoothening surfaces by sand papering etc. [Bldg.Sch.W.E.F.-01-11-2017 /1/K / 1A /(a)/(iv) and (b) (iv), Page-200].

Painting with best quality synthetic enamel paint of approved make and brand including smoothening surface by sand papering etc. including using of approved putty etc. on the surface, if necessary:(a) On steel or other metal surface: With super gloss (high-gloss)- Two coats (with any shade except white)

Hire charges of Earth movers / Excavator -cum -loader for 8 hours. including one no operator , one no. helper ,fuel etc. The rate inclusive of all expenses etc complete but excluding G.S.T.

Supply and installation of spring post (orange) made of dust repellent material along with three bands of high quality retro reflective type (type IV,colour white.) .The post materials should have the ability to withstand weathering actions and ability to restore its oroginal shape in case of any collision . No replacement warranty. The warranty only 06(six) month if production defect.

Direction and Place Identification Signs upto 0.9 sqm Size Board. Providing and erecting direction and place identification retro-reflectorised sign as per IRC:67 made of high intensity grade sheeting vide clause 801.3, fixed over aluminium sheeting, 2 mm thick with area not exceeding 0.9 sqm supported on a mild steel single angle iron post 75 x 75 x 6 mm firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete 45 x 45 x 60 cm, 60 cm below ground level as per approved drawing and Clause 801 of Specifications for Road & Bridge Works of MoRT&H (5th Revision)..

Direction and Place Identification Signs with size more than 0.9 sqm size Board. Providing and erecting direction and place identification retro- reflectorised sign as per IRC :67 made of high intensity grade sheeting vide clause 801.3, fixed over aluminium sheeting, 2 mm thick with area exceeding 0.9 sqm supported on a mild steel angle iron post 75 mm x 75 mm x 6 mm, 2 Nos. firmly fixed to the ground by means of properly designed foundation with M 15 grade cement concrete 45 cm x 45 cm x 60 cm, 60 cm below ground level as per approved drawing and Clause 801 of Specifications for Road & Bridge Works of MoRT&H (5th Revision).. .