Tender For Desiltation Of Sonai Khal From Ch 0.00 M To Ch 3997.30 M Including Protection Of Banks For A Length Of 30 M Within North Dum Dum And South Dum Dum Municiplities Ps Nimta And Dum Dum Dist. North 24 Parganas - 1 Earthwork in excavation or re-excavation of drainage channels / rivers in all kinds of soil including silt, sand, slush etc. mixed with all sorts of Industrial wastes, sewages, municipal garbage, carcasses, tannery effluents, jungles, bushes, semi-solid / solid campact mass, water hyacinth, cowdung deposits, decomposed vegetations, polythenes,brick bats, gravels, stone ballast, crates, remnant of bullah and bamboo pins etc. by means of suitable excavator mounted on pontoon(min. depth of water 0.75 metre) specially made to suit the site condition in tidal or non-tidal channel / river and carrying of the excavated materials to suitable locations of the channel / river bank from the point of excavation by diesel machine operated boats or similar arrangements in a manner suited for the purpose and placing the excavated materials from the boat etc. on the top of the bank in case of disposal at suitable places arranged by the agency at his own cost, on the bank atavailable locations having distances from the point of re- excavationas shown below, by means of excavators or any other machines or manually as may be required, including all lifts.Measurement : By Pre-work and Post- work level sections. Pre-worklevel for the existing bed of the channel / river is to be taken bydisplacing water hyacinth and all other floating materials includingcompact masses, carcasses etc. and for which no extra payment will bemade. Post-work level section will be taken only when a stretch of atleast 300 metre is completed and the said post-work will be taken within 7 days after completion of excavation in that reach. 2 (a) For distance 0 to 50 metre from the point of re-excavation to theto the placing point on the bank. 3 (b) For distance beyond 50 metre but within 100 metre from the point of re- excavation to the placing point on the bank. 4 c) For distance beyond 100 metre but within 200 metre from the point of re- excavation to the placing point on the bank. 5 (d) For distance beyond 200 metre but within 300 metre from the point of re- excavation to the placing point on the bank. 6 Earthwork in re-excavation / silt clearance in drainage channel in all kinds of soil including sludge, slush mixed with all sorts of industrial wastes and municipal garbages, polypacks, carcasses, small khatal effluents, night soil etc. by mathor labour as may be necessary and depositing the same in places as directed by the Engineer-in-charge , in such a manner, without causing much hindrance to traffic and posing health hazard and making arrangement to maintain the site in workable condition and rough dressing when dry including making arrangement of bailing out of any seepage water and removal of sand or soil blown from underneath, removal of khatal, temporary latrines, clearing and removing all kinds of semi compact masses formed by water hyacinth, jungles up to 30 cm girth, and burning them to ashes or removing outside Government land in conformity with the Municipal rules, including shoring shuttering as required, nicking out lines etc.(Measurement : Pre-work and Post-work level section. Pre- work section to be taken after removal of water hyacinth and all other floating materials etc.)(a) By manual means within an initial lead of 30 M and an initial lift of 1.50 M 7 Extra rate for additional lead of earthwork in item No 2(a) Each additional lead of 15 M or part thereof beyond 30 M up to 90 M 8 Disposal/carriage of excavated earth/materials outside Government landby truck or by any other conveyance over kuncha/pucca road including making access for plying the truck or any other conveyance beyond 300 m and up to a distance of 5.00 Km. from the excavatedpoint including cost of stacking, loading, unloading, transportating, arrangement of land, if required by agency, spreading and levelling as necessary etc. complete.Measurement : By stacks at loading point after deducting voids, as per rule.( This item can only be used after obtaining permission from the concerned Superintending Engineer). 9 Supplying Jhaw / Eucalyptus bullah piles at work site, including dressingand making one end pointed.Note: Diameter of pile to be measured at a distance of 1.5m from the thicker end (ii) 12.5 cm av. Diameter 10 Labour for driving Jhaw / Eucalyptus bullah piles by monkey in all sorts of soil including hoisting and placing piles in position, protecting the pile head with iron ring and cutting and shaping heads before and after driving and including hire and labour for necessary driving appliances and all tackles12.5 cm av. Diameter 11 Supplying, fitting and fixing with iron nails half split bullah wailing piecesand cross pieces etc. complete with cost of all materials and carriage to site.(a) Width of thinner end above 10 cm. and less than 15 cmJhaw/Eucalyptus 12 Coaltarringwith5%pitchincludingcostofmaterialandlabour complete as per direction of the Engineer-in-charge Two Coat 13 Supplying to site empty cement polythene bags(capacity50kg) in good condition including stacking , incedental charges etc.all complete (capacity 50 kg). 14 Earthwork in excavation in all kinds of soil for making embankments, repairs to the embankment, closing breaches etc. as per profile including supply and transporting the earth by truck or tractor or any other mechanical means on land , including loading, transporting, unloading and stacking with all lifts bothways and head load where necessary and depositing the same on embankments, clannels, filling depressions in requisite profile, levelling as per direction of the Engineer-in-charge within a lead of,NB :- Measurement to be taken on the basis of stack measurement / prepost work section measurement after deduction of void as per norms. No extra payment will be made for stackingE) Beyond 4.00 km and upto 5.00 km 15 Labour charges for filling empty cement gunny bag / polythene bag (capacity 50 kg) with all kinds of earth (wet or dry), sand or agreegates (stone / brick) and sewing as done in case of cement bags ,( tying with a knot after filling will not be accepted ) , and stacking within a lead of 30 metre as per direction of Engr-in-charge (cost is excluding the cost of any types of filling materials).NB:- Volume of earth/ sand filled bags should not be less than 0.028cum/ bag. 16 Extra rate for item no above for each additional lead of 60 metre or part thereof beyond the initial lead of 30 metre.one additional leads 17 Dumping in position earth / sand filledgunny / poly bags(capacity 50 kg) within a lead of 30 metre inclusive of all lifts. 18 Fitting, fixing bitumen drum sheet to bullah piling and wailing pieces including cutting straightening drum sheet fixing with country nails @ 20cm c/c at top & bottom and bolts& nuts at top & bottom at every joint of drum sheet with a laping of 15 cm, including supply of drum sheet, fixture all complete as per direction of the Engineer - in - charge. 19 Supplying and laying Polythene Sheet (150gm / sq.m.) over damp proof course or below flooring or roof terracing or in foundation or in foundation trenches 20 Single Brick Flat Soling of picked jhama bricks including ramming and dressing bed to proper level and filling joints with local sand. 21 Brick work with 1st class bricks in cement mortar (1:4)a) In foundation and plinth 22 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. a) Pakur Variety. 23 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.(i) Pakur Variety 24 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)(When the height of a particular floor is more than 4 m the equivalent floor height shall be taken as 4 m and extra for works beyond the initial 4 m ht. shall be allowed under 12 (e) for every 4 m or part thereof)(a) 25 mm to 30 mm thick wooden shuttering as per decision & direction of Engineer-In-Charge. 25 M.S. structural works with hollow sections (square or rectangular shape) conforming to IS: 806-1968 & IS:1161-1998) connected to one another with bracket, gusset, cleat as per design, drawing & direction of Engineer-in-Charge complete including cutting to requisite shape & size, fabrication including metal arc welding conforming to IS: 816-1969 & IS: 9595 using electrodes of approved make and brand conforming to IS:814- 2004, haulage, hoisting and erection all complete.The rate includes the cost of all M.S. Hollow section, all consumables such as electrodes, gas and hire charges of all tools and plants and labour reqired for execution and all incidental chages (such as electricity, labour insurance) etc. complete.Payment to be made on the basis of calculated weight of structural memebrs of MS Holow Section as specified in relevent IS code in finished work. Payment for gusset, bracket, cleat may be made by adding the actual weight of such items with weight of finished structural members. The rates are considered for a hight of erection 8 m. / 2nd floor level from the ground. Add 1.5 % extra over the ratefor each additional floor or 4m. beyond the initial 8 m. or part thereof.a) Span up to 12 Mtr 26 Welding in M.S. structural work with gas or electric:(b) Continuous weld. 27 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](ii) With 1:4 cement mortar (b) 15 mm thick plaster 28 Neat cement punning about 1.5mm thick in wall, dado, window sill, floor etc. 29 (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. 30 (A) 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: With super gloss (hi-gloss) (b) On steel or other metal surface : (iv) Two coats (with any shade except white) 31 Earth work in excavation of foundation trenches or drains, in all sorts of soil (including mixed soil butexcluding laterite or sandstone) including removing,spreading or stacking the spoils within a lead of 75 m.as directed. The item includes necessary trimming thesides of trenches, levelling, dressing and ramming thebottom, bailing out water as required complete.(a) Depth of excavation not exceeding 1,500 mm. 32 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. 33 Removing earth/sand filled poly bags/gunny bags from the channel bed/slopeand initially depositing the same nearchannel bank at a place as directed by the Engineer-in Charge for measurement of Bag. & then disposing off the same at a distance not less than150 metre from the channel site.