Reconstruction of box culvert at Pandarachira road near Chilavannoor in Ernakulam District-Balance work

Amount

Putting up ring bund with bottom width 3m, top width 1.5 m and height 3m,side protection with full size coconut posts of length 7.3 m driven at 60cm c/c and 4.3 m below ground level tying with 1/3 split coconut wailing pieces 4 rows on either side, tied with coir yarn and 6mm dia 4 m long MS cross ties at 1 m intervals and screening with double new coconut cadjan leaves tied with 1/6th split bamboo reepers 50cm c/c horizontaly and 100cm c/c vertically and filled with contractors own hard stiff clayey soil cut and conveyed from kayal bed and removing the bund after completion of work etc. complete as per the direction of departmental officers at site

60.2.3 Bailing out water with engine and pump set above 5HP and up to 10HP, including conveyance to site and erection,cost of fuel, lubrication oil and other stores, pay of staff etc complete as per thedirection of departmental officers at site

15.3 Demolishing R.C.C. work manually / by mechanical means including stacking of steel bars and disposal of unserviceable material with all leads and lifts outside the perephery of site for top, bottom and sides of damaged sluice etc.complete as per the direction of departmental officers at site

2.6.1 Earth work in excavation by mechanical means (Hydraulic excavator)/manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including , disposal of excavated earth with all leads and lift,disposed earth to be levelled and , neatly dressed for culvert , wing wall, apron etc complete as per the direction of departmental officers at site

od27633/2017_2018/IA-Boring, providing and installing cast in situ single under reamed piles of specified diameter and length below pile cap in M -35 cement concrete, to carry a safe working load not less than specified, excluding the cost of steel reinforcement but including the cost of boring with bentonite solution and the length of the pile to be embedded in pile cap for culvert portion, wing wall, apronetc complete as per the direction of departmental officers at site,. (Length of pile for payment shall be measured upto to the bottom of pile cap): Less cement used as per design mix is recoverable seperately for 550 mm dia piles

od27634/2017_2018/IA Extra over item No. 20.3 for providing additional bulb in under reamed piles, under specified dia meter (Only the quantity of extra bulbs are to be paid) for M35 grade concrete etc complete as per the direction of departmental officers at site .Less cement used as per design will be recoverable seperately for 550 mm dia piles

20.6.1.2 -vertical load testing of piles in accordance with IS 2911( Part IV) (single pile upto 50 tonne routine test)including installation of loading platform and preparation of pile head or construction of test cap and dismantling of test cap after test etc. complete as per specification & the direction of engineer -in- charge.

60.64.1 -Coconut Pile - Supplying and stacking well matured straight coconut post for driving down through various strata below bed level including cost, conveyance labour charges for soil sabilization beneath wing wall etc complete as per the direction of departmental officers at site.

60.64.4 -Coconut Pile - Driving down coconut pile to lines and levels through variuos strata including all hire charges and labour for fixing , staging platform and all other appliances necessary for pile driving down after pointing the bottom end beneath wing wall foundation etc complete as per the direction of departmental officers at site

4.1.8 -Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level:1:4:8 (1 cement : 4 coarse sand : 8 graded stone aggregate 40 nominal size) for wing wall foundation, levelling course beneath cap, beneath approach slab etc complete as per the direction of departmental officers at site.

4.1.3- Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level: 1:2:4 (cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) for wing wall foundation, guard posts over wing wall, wearing coat over pile cap etc complete as per the direction of departmental officers at site.

5.9.1 -Centering and shuttering including strutting, etc. and removal of form work forpile cap and approach slab etc complete as per the direction of departmental officers at site.

5.9.2 Centering and shuttering including strutting,propping etc. and removal of form for Walls (any thickness)vertical walls of culvert and parapet over culvert etc complete as per the direction of departmental officers at site.

5.9.3 -Centering and shuttering including strutting, etc. and removal of form for deck slab complete as per the direction of departmental officers at site

5.9.6 Centering and shuttering including strutting, propping etc. and removal of form work for columns supporting shutters etc. and removal of form for deck slab complete as per the direction of departmental officers at site.

4.3.1 Centering and shuttering including strutting, propping etc. and removal of form work for wing wall foundation and guard posts etc. and removal of form for deck slab complete as per the direction of departmental officers at site.

4.3.2 -Centering and shuttering including strutting, propping etc. and removal of form work for:Retaining walls, return walls, (any thickness) for wing wall superstructure etc. and removal of form for deck slab complete as per the direction of departmental officers at site.

5.22.6-High yield strength deformed bars for R.C.C work including straightening, cutting, bending, placing in position and binding all complete upto plinth level etc. and removal of form for deck slab complete as per the direction of departmental officers at site.

od28620/2017_2018/IA -Providing and laying in position machine batched and machine mixed design mix M-25 grade cement concrete for reinforced cement concrete work, using cement content as per approved design mix, including pumping of concrete to site of laying but excluding the cost of centering, shuttering, finishing and reinforcement, including admixtures in recommended proportions as per IS: 9103 to accelerate, retard setting of concrete, improve workability without impairing strength and durability for pile cap, vertical side walls of culvert, columns, supporting shutters, deck slab,haunchesparapet and approach slab etc as per direction of departmental officers at site. Note:- Cement content considered in this item is @ 330 kg/ cum. Less cement used as per design mix is recoverable separately. All work upto plinth level

60.7.1 DRY RUBBLE MASONRY _ Dry rubble without concrete levelling course masonry with good quality blasted rubble including packing to compactness to lines and levels cost and conveyance of all materials labour charges for beneath approach slab etc. complete as per direction of Departmental officers at site

4.1.2 Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level:1:1/2:3 (cement : 11/2 coarse sand : 3 graded stone aggregate 20 mm nominal size) for wearing coat over culvert and over approach slab etc. complete as per the direction of departmental officers at site.

13.16.1 Providing and laying 6 mm cement plaster of mix 1:3 ( 1 cement : 3 fine sand) for parapet, sides of culvert,columns supporting shutters, wing wall etc. complete as per the direction of departmental officers at site.

3.52.2 -Finishing with Epoxy paint (two or more coats) at all locations prepared and applied as per manufacturer's specifications including appropriate priming coat, preparation of surface, etc. Complete, as per the direction of departmental officers at site On concrete work

13.42 Distempering with 1st quality acrylic distemper (ready mixed) of approved manufacturer, of required shade and colour complete, as per manufacturer's specification, as per the direction of departmental officers at site

16.95 Providing & making Gabion structure with Mechanically Woven Double Twisted Hexagonal Shaped Wire mesh Gabion Boxes as per IS 16014:2012,MORTH Clause 2500, of required size, Mesh Type 10x12(D=100 mm with tolerance of ± 2%) Zinic+PVC coated, Mesh wire diameter2.7/3.7mm, mechanically edged/selvedged with partitions at every 1m interval and shall have minimum 10 numbers of openings per meter of mesh perpendicular to twist, tying with lacing wire of diameter 2.2/3.2mm(ID/OD), supplied @3% by weight of Gabion boxes, filled with boulders with least dimension of 200 mm, as per drawing, all complete as per directions of Engineer-in-charge.

60.63.1 FRP SHUTTERS - Supplying and fixing FRP shutters of suitable size to with stand the design and max water pressure as prescribed by the departmental officer and installing the FRP channels provided in the grooves already arranged and as per the direction of departmental officers at site.

60.63.2 FRP SHUTTERS - Supplying and fixing FRP shutters of suitable size to with stand the design and max water pressure as prescribed by the departmental officer and installing the FRP channels provided in the grooves already arranged and as per the direction of departmental officers at site.

Dismantling the laid RCC pipes and conveying from work site back to source including labour and all other incidental charges for loading and unloading at site etc complete, as per the direction of departmental officers at site

PVC WEEP HOLES- Providing weep holes using 75mm dia. PVC pipes working pressure 4kg /sq.cm including cost of materials, conveyance, labour charges etc. Complete, as per the direction of departmental officers at site

60.2.1 EARTH WORK FILLING- Supplying contractors own earth including cost of conveyance and royalty and filling (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20 cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 m and lift up to 1.5 m, as per the direction of departmental officers at site.

Chipping and removing the top unsound portion of RCC pile to approved lines and levels for obtaining the sound concrete,without causing damage to reinforcement , dressing undulations on the exposed face and disposing the unserviceable material including all leads and lifts as per the direction of departmental officers at site.

T K Varghese