Sewage And Infrastructure Development Corporation Of Goa Limited Tender

355 mm

Conducting ground penetrating radar survey in corridor of 4-6 meter width to deduct buried untilities like pipes,cables etc. in such corridor with information of locations & depth to the top of various untilities detected. Work to be conducted using 500 MHz & 300 MHz antenna for best possible resolution & penetration. along the 6 mt wide road corridor

Conducting Sesmic Refraction Survey to determine stratigraphy along proposed route i.e. soil wethered rock, rock interfaces. Detection of faults ,fractures ,shears zones etc.,in the investigated area.Geophone spacing 5m, test to be conducted using 24 channel signal enhancement type seismograph 5m Geophone Spacing & for projects having minimum length of 115m

Conducting Electrical Tomography tp determine shallow stratigraphy along the route, presence of voids, saturation zones , water table & other geogical features having contrast in resistivity with the surrounding soils. Electrode spacing 5 meters , minimum electrode spread of 60electodes 5m. Electrode spacing & for projects having a minimum length of 300m

Excavation of Shafts for pipe jacking/ramming purpose in soil inclusive of all shuttering, strutting, and shoring and maiunttaining the shafts during construction operation and backfilling the same after the complition of work

For Shafts of 7.5mX5m upto a depth of 5m in all type of soil

Beyond 5m dep up to 7.5mtr.

For Shafts of 7.5mX5m upto a depth of 5m in all type of soil mixed with rock

Beyond 5m dep up to 7.5mtr.

Dewatering Pits or ground by dewatering pumps inclusive of all consumables,disel,oil,petrol,&lubricants etc.and disposal of water

Refilling the pipeline/foundation trenches plinth sides,foundation etc with available excavated earth in layers not exceeding 20 cm depth consolidating each layer ramming and watering lead upto 50 m and all lifts and disposal of surplus earth directed by Engineer-in-charge

Installation of HDPE product pipe by HDD method including preparing & setting up the plant & equipment preparing new pipe work material, installing new pipe work & commissioning by HDD operation including all related civil & mechanical works like excavation ,shoring strutting etc. drilling,stringing, reaming & pulling back the new pipe work on the designed bore path alignment by using approved guidence system, proper disposal of drilling fluid & restoration of site including backfilling of excavation & holes by approved material to 95% of original density after completion all inclusive as per indSTT:101-2007 : code of practice for Horizontal Directional Drilling technique suiting indian conditions.

(ii) Other types of Soil / Mixed Strata - 355 mm

(iii) Rocks - 355 mm

Cutting the bituminous road for laying the pipeline in trenches for a width of 0.6m including labour , tools etc, and disposing the excavated excess material from the trench to a distance of 1000 meters, including making level the trench surface by utilising the serviciable material to the level of the top surface of road, by compacting, watering ramming with rolling with road roller after completion of laying of pipe and refilling the trenches etc. complete as per the direction of engineer incharge.

Construction of Composite type Manholes of various diameters and depth , as per the detailed specification of items of work annexed with

i) 1200mm dia x upto 2000mm depth

ii) 1200mm dia x 2000 to 2300mm depth

iii) 1500mm dia x 2300 to 2500mm depth

iv) 1500mm dia x 2500 to 3000mm depth

v) 1500mm dia x 3000 to 3500mm depth

vi) 1500mm dia x 3500 to 4000mm depth

vii) 1500mm dia x 4000 to 4500mm depth

Hydrophillic swellable water bar: Providing water stop swellable barat pipe-concrete joint (20X10 mm thick) to avoid infiltration and exfiltration leakages of approve make MC Waterstop SW-IN. or equivalent

i) 355 mm

Providing,Laying and jointing of unplasticised non-pressure PVC pipes for using underground drainage and sewerage system confirming to IS : 15328 - 2003 stifness class SN-8 (8 KN/m2,SDR -34) including Earthwork in excavation by manual means in foundation pipeline trenches drain (not exceeding 1.5m in width or 10 sq. m. on plan) in all types of soil including dressing of sides and ramming of bottoms, lift upto 1.5 m including getting out the excavated soil and disposal of surplus excavated soil as directed within a lead of 5km and Refilling the pipeline trenches with available earth in layers not exceeding 20cm depth consolidating each layer ramming and watering and disposal of surplus earth as directed by the Engineer in charge including excavation,road cutting and reinstating of road and storm water drain, encasing with PCC 1:2:4 as per IS:4127, rubble packing and refilling after completion of work in different areas. a)160mm OD

Extra depth for Providing,Laying and jointing of unplasticised non-pressure PVC pipes for using underground drainage and sewerage system confirming to IS : 15328 - 2003 stifness class SN-8 (8 KN/m2,SDR -34) including Earthwork in excavation by manual means in foundation pipeline trenches drain (not exceeding 1.5m in width or 10 sq. m. on plan) in all types of soil including dressing of sides and ramming of bottoms, lift upto 1.5 m including getting out the excavated soil and disposal of surplus excavated soil as directed within a lead of 5km and Refilling the pipeline trenches with plum cement concrete 1:3:6 and disposal of surplus earth as directed by the Engineer in charge including excavation, and refilling after completion of work in different areas. a)160mm OD

Providing,Laying and jointing of unplasticised non-pressure PVC pipes for using underground drainage and sewerage system confirming to IS : 15328 - 2003 stifness class SN-8 (8 KN/m2,SDR -34) including Earthwork in excavation by manual means in foundation pipeline trenches drain (not exceeding 1.5m in width or 10 sq. m. on plan) in all types of soil including dressing of sides and ramming of bottoms, lift upto 1.0 m including getting out the excavated soil and disposal of surplus excavated soil as directed within a lead of 5km including Bed concrete 1:2:4(1 cement:2 coarse sand:4 graded granitic a basaltic stone aggregate 20mm nominal size) including rubble packing and Refilling the pipeline trenches with available excavated earth in layers not exceeding 20cm depth consolidating each layer ramming and watering lead upto 5km and all lifts and disposal of surplus earth as directed by the Engineer in charge. a)160mm OD(Inside)

Extra for additional depth for Providing,Laying and jointing of unplasticised non-pressure PVC pipes for using underground drainage and sewerage system confirming to IS : 15328 - 2003 stifness class SN-8 (8 KN/m2,SDR -34) including Earthwork in excavation by manual means in foundation pipeline trenches drain (not exceeding 1.5m in width or 10 sq. m. on plan) in all types of soil including dressing of sides and ramming of bottoms, lift upto 1.5 m including getting out the excavated soil and disposal of surplus excavated soil as directed within a lead of 5km including Bed concrete 1:2:4(1 cement:2 coarse sand:4 graded granitic a basaltic stone aggregate 20mm nominal size) including Refilling the pipeline trenches with available excavated earth in layers not exceeding 20cm depth consolidating each layer ramming and watering lead upto 5km and all lifts and disposal of surplus earth as directed by the Engineer in charge. a)160mm OD(Inside)

Construction of manhole rectangular in shape including cement concrete 1:3:6 (1 cement:3 coarse sand:6 graded stone aggregate 20mm nominal size) foundation thickness of concrete 20cms and offset 10cms on both sides and first class brick work with bricks class designation 100kg/cm2 in cement mortar 1:3 (1 cement : 3 coarse sand) 23cms thick including providing & fixing CI footrests confirming to IS 5445/69 or revised and whose weight shall not be less than 5.30kgs including fixing in man-hole at 30cm c / c in 20x 20x10cm cement concrete block 1:3:6 (1 cement : 3 coarse sand : 6 graded stone aggregate 20mm nominal size) and 12mm thick plaster inside and outside with cement mortar 1:3 (1 cement : 3 coarse sand) including adding waterproofing compound of approved brand in cement mortar with a floating coat of neat cement and making channel in cement concrete 1:2:4 (1 cement :2 coarse sand : 4 graded stone aggregate 20m nominal size) neatly finished complete as per standard design.Inside size 0.90x0.60m and 1.00m deep ( with medium duty DI manhole cover & frame of size 0.90x 0.60m weighing 105 kgs including fixing with cement concrete 1:2:4 )1 cement :2 coarse sand : 4 graded stone aggregate 20mm nominal size and applying the frame & cover with coal tar.including Road cutting Earthwork in excavation by manual means in foundation pipeline trenches drain (not exceeding 1.5m in width or 10 sq. m. on plan) including dressing of sides and ramming of bottoms, lift upto 1.5 m including getting out the excavated soil and disposal of surplus excavated soil as directed within a lead of 5km. and Refilling the pipeline trenches with available excavated earth in layers not exceeding 20cm depth consolidating each layer ramming and watering lead upto 5km and all lifts and disposal of surplus earth as directed by the Engineer in charge including rubble packing etc complete.

Extra / Additional depth of above square/ rectangular manholes at above item no in fractions with bricks class designation 100kg/cm2 in cement mortar 1:3 (1 cement : 3 coarse sand) 23cms thick including providing & fixing CI footrests confirming to IS 5445/69 or revised and whose weight shall not be less than 5.30kgs including 12mm thick plaster inside and outside with cement mortar 1:3 (1 cement : 3 coarse sand) including adding waterproofing compound of approved brand in cement mortar with a floating coat of neat cement neatly finished complete as per standard design.Inside size 0.90x0.60m including Earthwork in excavation by manual means in foundation pipeline trenches drain (not exceeding 1.5m in width or 10 sq. m. on plan) including dressing of sides and ramming of bottoms, lift upto 1.5 m including getting out the excavated soil and disposal of surplus excavated soil as directed within a lead of 5km. and Refilling the pipeline trenches with available excavated earth in layers not exceeding 20cm depth consolidating each layer ramming and watering lead upto 5km and all lifts and disposal of surplus earth as directed by the Engineer in charge

Construction of manhole rectangular in shape including cement concrete 1:3:6 (1 cement:3 coarse sand:6 graded stone aggregate 20mm nominal size) foundation thickness of concrete 20cms and offset 10cms on both sides and first class brick work with bricks class designation 100kg/cm2 in cement mortar 1:3 (1 cement : 3 coarse sand) 23cms thick including providing & fixing CI footrests confirming to IS 5445/69 or revised and whose weight shall not be less than 5.30kgs including fixing in man-hole at 30cm c / c in 20x 20x10cm cement concrete block 1:3:6 (1 cement : 3 coarse sand : 6 graded stone aggregate 20mm nominal size) and 12mm thick plaster inside and outside with cement mortar 1:3 (1 cement : 3 coarse sand) including adding waterproofing compound of approved brand in cement mortar with a floating coat of neat cement and making channel in cement concrete 1:2:4 (1 cement :2 coarse sand : 4 graded stone aggregate 20m nominal size) neatly finished complete as per standard design. Inside size 0.60x0.60m and 0.60m deep (with precast RCC slab covers of concrete grade M25 12T capacity) including fixing with cement concrete 1:2:4 ( 1 cement :2 coarse sand : 4 graded stone aggregate 20mm nominal size and applying the frame & cover with coal tar.including Earthwork in excavation by manual means in foundation pipeline trenches drain (not exceeding 1.5m in width or 10 sq. m. on plan) including dressing of sides and ramming of bottoms, lift upto 1.5 m including getting out the excavated soil and disposal of surplus excavated soil as directed within a lead of 5km. and Refilling the pipeline trenches with available excavated earth in layers not exceeding 20cm depth consolidating each layer ramming and watering lead upto 5km and all lifts and disposal of surplus earth as directed by the Engineer in charge including rubble packing etc complete.

Extra/Additional depth of above square/ rectangular manholes at above item no in fractions with 100kg/cm2 brickwork in cement morter 1:3 (1cement:3coarse sand) 23cm thick including providing and fixing CI footrests not weighing less than 5.30kgs incl. fixing in manholes @ 30cmc/c staggered in 20x20x10cm cement concrete blocks 1:3:6(1cement:3coarse sand :6graded stone aggregate 20mm nominal size) 12mm thick plaster inside and outside with cement morter 1:3 (1cement :3coarse sand)including adding water proofing compound of approved brand with a floating coat of neat cement for 0.60 x 0.60m Manholes. including Earthwork in excavation by manual means in foundation pipeline trenches drain (not exceeding 1.5m in width or 10 sq. m. on plan) including dressing of sides and ramming of bottoms, lift upto 1.5 m including getting out the excavated soil and disposal of surplus excavated soil as directed within a lead of 5km.and Refilling the pipeline trenches with available excavated earth in layers not exceeding 20cm depth consolidating each layer ramming and watering lead upto 5kM and all lifts and disposal of surplus earth as directed by the Engineer in charge. .

Dismantling of Chequered tiles flooring including PCC bed and reinstating with Chequered tile Flooring Wherever required in side apartment premises and house premises as required for providing House sewer connections including rubble packing , cement concrete 1:2:4 & disposal of surplus material to lead upto 5km

Demolishing cement concrete 1:3:6 or richer mix including disposal of material within 50m lead.

Rubble packing with hard laterite stone under floors including watering ramming and consolidating etc. in pipeline trenches and other foundations complete.

Centering and shuttering including strutting, propping etc. and removal of formwork for: a) Foundations footings, bases for columns and mass concrete.

Providing and laying cement concrete 1:2:4(1 cement:2 coarse sand:4 graded granitic a basaltic stone aggregate 20mm nominal size) excluding cost of centering, shuttering and finishing in. a) All work upto plinth level

Core cutting 160mm dia holes in concrete structure with diamond headed core cutter so as to pass house sewer connection pipe including all material labour cost and machinery Charges ,water charges, power supply etc. complete in all respects as per the direction of the Engineer -in- charge. a)For sewerpipe of dia 150mm-200mm

Supplying & fixing of S.W. intercepting trap of 6" dia inside the inspection chamber.

Supplying of laterite stone soling of size 150-200 mm size and murrum having P.I. Value not more than 6 and laying including packing with smaller stones and consolidation with power road roller including spreading, watering and consolidation of binding material etc.(Measurements shall be considered on finished item) .

Repair and reinstatement to the road for trenches made by laying water pipeline, by removing the refilled material in the trench for the total depth of 0.42m and making good the road surface by providing laying rolling by the road roller compacting for laterite soling 30cm thick, two layer of full grout of 50mm thick each, tack coat and open graded premix carpet of 20mm thickness as per specification mentioned in item nos 14086, 14093,14051 of roads GSR respectively, complete as per directions of the engineer in charge.

Providing and laying 50mm(consolidated thickness)full grout using granitic or basaltic stone of specified grading at 6.00 cu.m. per 100 sq.m. grouting with hot bitumen straight run bitumen(or with such bituminous material of grade and type as specified by the Engineer-in-Charge)at 5.0kg. per sq. m. binding with key aggregate of granitic or basaltic stone of specified grading at 1.5 cu.m. per 100 sq.m. including Providing and laying seal coat sealing the voids in a bituminious surface laid with F.E loader with 1 Cu.m. bucket capacity to the specified levels, grade and cross fall using Type A seal coat with 0.98 kg/sqm of bitumen of grade as per MoRT&H specifications clause 513.

providing and applying tack coat with bitumen grade of 80/100 or bitumen emulsion using pressure distributor on the prepared bituminous/granular surface cleaned with mechanical broom as per MoRT&H specifications clause 503.Bitumen 80/100 @ 0.20 kg/sq.m

Providing and laying in position cement concrete below foundation M15(1:2:4) (1 cement : 2 coarse sand: 4 graded granitic or basaltic stone aggregate 40 m nominal size) excluding cost of centering, shuttering and finishing : For repairing damaged drains