WB-HMC/TN/ED/WS/16/25-26

Excavation of trial pit (3.0 m x 1.0 m x (upto) 3.0 m) for fixing of pumping main, washout line raking every detection against damage of S.W. pipe line electrical cable etc. as underground obstruction including 37.5 mm timber shuttering, earth cutting, dewatering, barricading and back filling etc. as per direction of E-I-C. Ref:- UD & MAD (Schedule) 2018, P-2, it. No. - 1.4

Cutting & picking up existing metalled black top portion of road surface to an average depth of 300 mm by using Jack hammer with all necessary tool and plant including reening the serviceable materials & stacking within a lead of 75 mtr. all complete as per direction of the Engineer-in- Charge. Ref:- UD & MAD (Schedule) 2018, P-2, it. No. - 1.5

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 Ref: P.W.D (Bldg) Sch. -2017, page -10 It- 2(a)

Earth work in excavation of foundation trenches or drains, in all sorts of soil (including mixed soil but excluding laterite or sandstone) including removing, spreading or stacking the spoils within a lead of 75 m. as directed. The item includes necessary trimming the sides of trenches, levelling, dressing and ramming the bottom, bailing out water as required complete. (a) Depth of excavation not exceeding 1,500 mm. Ref:- UD & MAD (Schedule) 2018, P-1, it - 1.1(a).

(b) Depth of excavation for additional depth beyond 1,500 mm. and upto 3,0 mm. but not requiring shoring Ref:- UD & MAD (Schedule) 2018, P-1, it - 1.1(b).

Hire and labour charges for 75 mm dia bamboo railing on Jhau/Eucalyptus or other approved timber\bamboo posts 1.4 m above G.L and 0.60 m below G.L including tying strongly with coir ropes and boring holes for posts in any soil/ concrete surface/Bituminious surface packing the sides etc including cost of carriage of all materials and labour complete including cost of restoration to the damages of the ground to its original condition as per direction of Engineer in charge after removing the barricade.(Cost of restoration would be paid seperately.) (a)75mm. dia bamboo railing & 125mm. Dia Jhau/Eucalyptus/other approved timber posts @ 1.60m apart (ii) Railing with 3 rows. Ref:- UD & MAD (Schedule) 2018, P-3, it - 1.8(a)(ii)

Hire and labour charges for shoring work (including necessary close plank walling, framing, Eucalyptus/Jhou bulla piling, strutting etc) complete as per direction of the Engineer-in charge for foundation excavation (vertical surface are in contact with supported earth is to be measured.) (This item should be executed on specific direction of the Enginner in charge). (a) Depth upto 1.5 m. Ref:- UD & MAD (Schedule) 2018, P-3, it - 1.6(a).

(a) Depth upto 1.5 m. Ref:- UD & MAD (Schedule) 2018, P-3, it - 1.6(b).

Filling in foundation or plinth by silver 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) Ref:-[Page:2; Item No:4(A) of PWD-SOR(Bld) 2017]

Lead jointing to C.I. pipes and specials with supply of lead and spun yarn all complete to make the joint water tight at required hydraulic pressure as per specification & direction of the Engineer-in-charge. 400mm dia. Ref:-UD & MAD (Schedule) 2018, P-6, IT-2.1.3

600 mm dia. Ref:-UD & MAD (Schedule) 2018, P-6, IT-2.1.3

750 mm dia. Ref:-UD & MAD (Schedule) 2018, P-6, IT-2.1.3

900 mm dia. Ref:-UD & MAD (Schedule) 2018, P-7, IT-2.1.3

Flange joint to C.l./D.l/MS. pipes and specials including supply of rubber gasket. nuts. bolts. washers etc. of best quality to make the joint watertight at required hydraulic pressure all complete as per specification & direction of the Engineer-in-Charge. (c) 600 mm dia. Ref:-UD & MAD (Schedule) 2018, P-8, IT-2.1.6

(c) 750 mm dia. Ref:-UD & MAD (Schedule) 2018, P-8, IT-2.1.6

Cutting of C.l/D.I pipes for fitting with pipes and-or specials of similar or dissimilar materials at the time of laying without damaging any part of the required length including taking out of the broken pieces from the trench and restacking the same at the specified location as per direction of the Engineer-in-charge. (i) 400 mm dia. Ref:-UD & MAD (Schedule) 2018, P-09, IT-2.1.7

(i) 600 mm dia. Ref:-UD & MAD (Schedule) 2018, P-09, IT-2.1.7

(i) 750 mm dia. Ref:-UD & MAD (Schedule) 2018, P-09, IT-2.1.7

Lowering, fitting and fixing of all types of valves in proper position and alignment using chain pully block or crane (for diameter above 250 mm) by providing temporary support, as required, gaskets, nuts & bolts etc. all cornplete as per specification and direction of the Engineer-in-charge. [The rate Includes cost of flange joints] (a) 400 mm Dia. Ref:-UD & MAD (Schedule) 2018, P-17, IT-2.4.1

Cast iron double flanged manually operated sluice valves generally conforming to IS 14846 : 2000, having four faces and spindle nut inside screw non- rising spindle type gunmetal/AISI 410 suitable for PN 1.0 rating complete with ball thrust bearing and enclosed gearbox (EN-8 with hardened by nitriding pinions of EN-19), flanges flat faced and drilled to IS.: 1538 : 1993. Valves tested by closed end method. NB Diameter in mm (a) 400 mm Dia. Ref:-UD & MAD (Schedule) 2018, P-46 , IT-8.6.

Sluice valve chamber with C.I. heavy cover with locking arrangement, (weight not less than 25 kg) (size of chamber 450 mm X 600 mm inside upto 900 mm depth) 250 mm thick cement brick walls (6:1), 150 mm thick cement concrete (6:3:1) bed with stone chips, 20 mm thick cement plaster (6:1) for inside wall and 15 mm thick cement plaster (4:1) for outer walls including rounding corners. Ref:-PWD(S&P),w.e.f.-01/11/2017 , P-8 ,It-10.

Dismantling all types of masonry excepting cement concrete plain or reinforced, stacking serviceable materials at site and removing rubbish as directed within a lead of 75 m. a) In ground floor including roof. [Ref : P.W.D.(Bldg) 2017, Page - 10, Item-1(a)]

Brick work with 1st class bricks in cement mortar (1:6) (a) In superstructure, ground floor. [Ref : P.W.D.(Bldg) 2017, Page - 15 Item-8(b) & 3rd Corrigenda, Page - 2 SL NO.-4]

Dewatering by pumps including all leads, lifts and making all arrangements of disposal, where continuous flow of water from a source other than natural or ground water is encountered in case of emergency maintenance works related to leakage, breakage and making wet connections. [Note : - In case of any other situation demanding such emergency dewatering. use of this item is to be approved by the Superintending Engineer/Tender Accepting Authority. This item shall be executed on the specific direction duly supported by proper clarification of the E.I.C. who will be satisfied in absolute discretion that such work has not been necessitated due to any natural source of water or any fault of the Contractor Ref:-UD & MAD (Schedule) 2018, P-24, it - 7.2

Hire & labour charges for diesel generating set for lighting including fuel, 300M wire, 11 points with 200 Watt bulb with post for hanging & maintaining the same for day & night for the period. Ref:-UD & MAD (Schedule) 2018, P-4, it - 1.13

Drilling and tapping C.I. main. (i) Upto 15 mm Ref:-PWD(S&P) w.e.f.- 01.11.17, P-27, It-18 (i)

Drilling and tapping C.I. main. (ii) Above 15 mm upto 25 mm Ref:-PWD(S&P) w.e.f.- 01.11.17, P-27, It-18 (ii)

Field welding of M.S. plate by means of electric arc welding as per relevent IS specification using standard electrodes including edge preparation and charges of deployment of electric generator set with fuel, lubricant, and all other tools and plants all complete as per specification and direction of Engineer-in-charge. [ Engineer-in-charge shall approve the electrodes for arc welding before use ] Throat thickness in mm 10 mm Ref:-UD & MAD (Schedule) 2018, P-12, It - 2.3.3

Throat thickness in mm 12 mm Ref:-UD & MAD (Schedule) 2018, P-12, It - 2.3.3

Hydraulically testing of C.l./D.I/A.C pipe lines in sections, under a head of water not less than 60m (6Kg/Cm2 .pressure) or above as per specific requirements by filling the main with supply of water including supply of all specials and equipment like pump sets, gauges, end caps blank flange etc. all complete as per specification and direction of the Engineer-incharge. [After successful completion of test, removal of ancillary specials, equipments, plugging arrangements and disposal of water shall be made at no extra cost] (a) 400 mm dia. Ref:-UD & MAD (Schedule) 2018, P-21 , it -5.1

Disinfection of water main by filling with water containing bleaching powder of sufficient quantity capable of maintaining a residual chlorine concentration of 10mg/l within the main after a detention period of two hours and flushing the same with fresh water all complete as per specification and direction of the Engineer-in- Charge. [After successful completion of the process, disposal of water and bacteriological testing of sample of flushed out water from the mains should be made at no extra cost] (a) 400 mm dia. Ref:-UD & MAD (Schedule) 2018, P-23, it - 6.1

Supplying, fitting and fixing of C.I. Mechanical Compression flexible Collar Couplings suitable for C.I. Spun Pipes (as per IS: 1536) and D. I. Pipes (as per IS: 8329) complete with Sealing Rubber Gasket of EPDM quality (IS:5382/1985 Type - 4), Cast Iron Follower Glands and Mild Steel Nut Bolts (Zinc Coated). The whole assembly should be mechanically andhydraulically tested to the provisions as laid down in IS: 1538. Fitting and fixing should be in proper position with proper care of main pipe line for leak proof condition. (b) 400 mm dia. Ref:-UD & MAD (Schedule) 2018, P-27, it - 7.16

(b) 600 mm dia. Ref:-UD & MAD (Schedule) 2018, P-27, it - 7.16

(b) 700 mm dia. Ref:-UD & MAD (Schedule) 2018, P-27, it - 7.16

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 based on the basis of measurement of finished quantity of work. (a) With earth obtained from excavation of foundation Ref:-UD & MAD (Schedule) 2018, P-01, it - 1.2(a)

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. Ref:-UD & MAD (Schedule) 2018, P-5, it - 1.18

Single Brick Flat Soling of picked jhama bricks including ramming and dressing bed to proper level and filling joints with local sand. [Ref: P.W.D.(Bldg.). Page- 14, Item - 1 & 3rd corrigenda Page - 1 SL NO.-1]

Hire charges of moveable type mounted earth excavator having minimum cutter size (1.0 cubic meter) & loader size (2.0 meter length x 0.75m width) for cutting & removal of any kind of soil, spoli etc. including cost of fuel, lubricants & manpower etc. in Water Supply Works. For minimum engagement of 8 hrs. in a day Ref:-UD & MAD (Schedule) 2018, P-52, it - 8.27

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 In Ground Floor Rate Analysis Enclosed

Repair of Air valve by supplying ebonite and rubber ball, gasket, nuts and bolts with washers and labour all complete. 100 mm dia. Ref:-UD & MAD (Schedule) 2018, P-25, IT-7.9

150 mm dia. Ref:-UD & MAD (Schedule) 2018, P-25, IT-7.9

200 mm dia. Ref:-UD & MAD (Schedule) 2018, P-25, IT-7.9

Supply of Mild Steel Plate (Tested) conforming to IS 2062.192 Rate Analysis Enclosed

Gas cutting of M.S. pipes and/or M.S. plates of different thickness all complete as per specification and direction of the Engineer-in- charge. Thikness in mm 10 mm thick plate Ref:- UD & MAD (Schedule) 2018, P-11, it - 2.3.1.

12mm thick plate Ref:- UD & MAD (Schedule) 2018, P-11, it - 2.3.1.

Fabricating M.S. pipes of different diameter in shop out of 8mm to 12mm thick M.S plates supplied departmentally, cutting the plates to exact size & shape by gas cutting device and/or by adopting any other approved type of mechanical means, bending the same in true curvature by template and rolling machine of approved design including proper marking, levelling joints followed by electric arc welding as per relevant I.S. specification - longitudinal and circumferential, as necessary, usiug standard electrodes including edge preparation, electricity charges and hydraulic testing of the fabricated piece all complete as per specification and direction of the Engineer-in-charge. a) 900 mm diameter i) 10mm thick Ref:- UD & MAD (Schedule) 2018, P-13, it - 2.3.5. e(i)

b) 900 mm diameter i) 12 mm thick Ref:- UD & MAD (Schedule) 2018, P-13, it - 2.3.5. e(ii)

b) 1000 mm diameter i) 10 mm thick Ref:- UD & MAD (Schedule) 2018, P-13, it - 2.3.5. f(i)

b) 1000 mm diameter i) 12 mm thick Ref:- UD & MAD (Schedule) 2018, P-13, it - 2.3.5. f(ii)

b) 1200 mm diameter i) 10 mm thick Ref:- UD & MAD (Schedule) 2018, P-13, it - 2.3.5. h(i)

b) 1200 mm diameter i) 12 mm thick Ref:- UD & MAD (Schedule) 2018, P-13, it - 2.3.5. h(ii)

b) 1500 mm diameter i) 10 mm thick Ref:- UD & MAD (Schedule) 2018, P-13, it - 2.3.5. k(i)

b) 1500 mm diameter i) 12 mm thick Ref:- UD & MAD (Schedule) 2018, P-13, it - 2.3.5. k(ii)

Fabricating M.S. Specials of different diameter in shop out of 8 mm to 12 mm thick M.S plates supplied departmentally, cutting the plates to exact size & shape by gas cutting device and/or by adopting any other approved type of mechanical means, bending the same in true curvature by template and rolling machine of approved design including proper marking, levelling joints followed by electric arc welding - longitudinal and circumferential, as necessary, using standard electrodes as per I.S. specification including edge preparation, electricity charges and hydraulic testing of the fabricated piece all complete as per specification and direction of the Engineer-incharge. a) 900 mm diameter i) 10mm thick Ref:- UD & MAD (Schedule) 2018, P-15, It - 2.3.6. e(i)

b) 900 mm diameter i) 12 mm thick Ref:- UD & MAD (Schedule) 2018, P-15, it - 2.3.6. e(ii)

b) 1000 mm diameter i) 10 mm thick Ref:- UD & MAD (Schedule) 2018, P-15, it - 2.3.6. f(i)

b) 1000 mm diameter i) 12 mm thick Ref:- UD & MAD (Schedule) 2018, P-15, it - 2.3.6. f(ii)

b) 1200 mm diameter i) 10 mm thick Ref:- UD & MAD (Schedule) 2018, P-15, it - 2.3.6. h(i)

b) 1200 mm diameter i) 12 mm thick Ref:- UD & MAD (Schedule) 2018, P-15, it - 2.3.6. h(ii)

b) 1500 mm diameter i) 10 mm thick Ref:- UD & MAD (Schedule) 2018, P-15, it - 2.3.6. k(i)

b) 1500 mm diameter i) 12 mm thick Ref:- UD & MAD (Schedule) 2018, P-15, it - 2.3.6. k(ii)

Shop welding of M.S plates for fabrication of different diameter of M.S. pipes and specials by means of electric arc welding as per relevant I.S. specification using standard electrodes including edge preparation and charges for deployment of all types of tools and plants with electricity all complete as per specification and direction of the Engineer-in-Charge. (The Engineer-in-charge shall approve the electrode for arc welding before use) Throat thickness in mm (i) 10 mm Ref:- UD & MAD (Schedule) 2018, P-12, it - 2.3.2.

Throat thickness in mm (i) 10 mm Ref:- UD & MAD (Schedule) 2018, P-12, it - 2.3.2.

Derusting, scraping, brushing and cleaning (to the extent of exposing the original surface) the outer surface of manufactured M.S. pipes and specials, applying first coat of synthetic primer Type-B as per IS : 15337 : 2003 of approved make over it and wrapping the same with coal tar based insulating tape 2 mm thick as per IS : 15337 : 2003 of approved make and applying the second coat of synthetic primer Type - B (as specified above) over the first layer of insulating tape and wrapping the same with second layer of 2 mm thick coal tar based insulating tape (as specified above) in staggered pattern (including overlapping at ends) by torching etc. as per manufacturer’s specification and as per direction of ElC. Each layer of protective wrapping shall be tested with Holiday detector at Contractor’s cost and the Contractors shall repair all holidays to the satisfaction of ElC at no extra cost (Payment will be made on finished area of work) Ref:- UD & MAD (Schedule) 2018, P-24, It - 7.1.

Lowering any type C I. pipes & specials and laying along trench at any depth as per specification and direction of the Engineer-in-charge. 750 mm Dia Ref:- UD & MAD (Schedule) 2018, P-5, It - 2.1.1

900 mm Dia Ref:- UD & MAD (Schedule) 2018, P-5, It - 2.1.1

Coating of ‘Epoxy’ Resin of thickness not less than 160 micron with a low-viscosity, crystallization-resistant epoxy resin base with a reactive diluents combined with high build epoxy amine adducts as per BS 5493 standard and a polyamide or amido polyamine or any other suitable hardener. It shall react with epoxy resin at normal ambient temperature, suitable for solvent-free coatings as per recommended proportion for use on metal, concrete and wood surface to protect from corrosion as well as damage from chemical reaction after making the surface free from dust, oil and moisture etc. all complete as per instruction and to the satisfaction of ElC. [ This item will be operated on prior permission from the concerned SE/Dy Chief Engineer] Ref:- UD & MAD (Schedule) 2018, P-24, It - 7.7

Signalling arrangement at both sides of site to avoid any accident during working period 4 nos. red flags during sunlight at 4 corners and 2 nos light (lamp) in other than sunlight. Ref:- UD & MAD (Schedule) 2018, P-4, It - 1.14

Field welding of M.S. plate by means of electric arc welding as per relevent IS specification using standard electrodes including edge preparation and charges of deployment of electric generator set with fuel, lubricant, and all other tools and plants all complete as per specification and direction of Engineer-in-charge. [ Engineer-in-charge shall approve the electrodes for arc welding before use ] Throat thickness in mm (i) 10 mm Ref:- UD & MAD (Schedule) 2018, P-12, It - 2.3.3

Throat thickness in mm (i) 12 mm Ref:- UD & MAD (Schedule) 2018, P-12, It - 2.3.3

80 mm thick interlocking designer concrete paver block M-40 grade for medium-traffic zone & utility cuts on arterial roads etc. as per IS: 15658-2006 (over 20-40 mm medium sand bed on 250mm thk WBM/ WMM base course & 250 mm thk bound gnaular/ granular sub-base course & filling the interstices of blocks with fine sand by brooming & subsequent watering including cost of sand for sand bed but excluding cost of base, sub-base course & subgrade preparation.) complete as per direction of Engineer-in-Charge. [Note: Subgrade CBR shouldnot be less than 5] Grey [Ref: P.W.D.(Bldg.).w.e.f.- 01.11.17, Page- 286, Item - 8.]

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