Sewage And Infrastructure Development Corporation Of Goa Limited Tender

a) 200 mm OD

Conducting Sl.JE Survey in a corridor of 4-6 meter width to detect buried utilities like pipes, cables etc. in such corridor. Marking of the detected utilities on the map of corridor with information of locations and depths to the top of various utilities detected. Onsite detection to be conducted using minimum tools of Electronic Pipe Locator (EPL) and Ground Penetrating Radar (GPR). GPR work to be conducted using 500MHz and 300MHz antenna for best possible resolution and penetration. The specifications are SUE survey should be in accordance with 'Code of Practice for Subsurface Utility Engineering Suiting Indian Conditions - Guidelines & Specifications for Detection , Verification & Depiction of Existing Subsurface Utility Data'. Along the road, 6 m wide corridor

Conducting sesmic refraction survey to determine statigraphy along proposed route i.e. soil wethered roack, roack 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 to determine shallow stratigraphy along the route, presence of voids, saturation zones, water table & other geogical features having contrast in resistivity with surrounding soils. Electrode spacing 5 meters, minimum electrode spread of 60 electodes. 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 maintaning the shaft during construction of operation and backfilling the same after the completion of the work.

All types of soil

All types of soil mixed with soft rock

All types of soil mixed with hard rock

Confined Excavation of Shaft for pipe jacking/ramming purpose in soil inclusive of H Beam strutting with MS Plate/ Cubical wooden laggings and backfillings the same after the completion of work.

All types of soil

All types of soil mixed with soft rock

All types of soil mixed with hard rock

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.

Dewatering the trenches and bailing out water including removal of slush, mud etc. for any depth and disposal of pumped mud, water, slush to suitable point not forming circuit of return of pumped water to the very trench, by employing diesel generated pump.

Installation of HEPE product pipe by HOD method for on grade gravity sewer including preparing and setting up the plant and equipment, preparing new pipe-work material, making of entry & exit pits upto 3 meter depth, installing new pipe-work and commissioning system or making the system ready for commissioning by HOD operating including, all related civil and mechanical works like excavation, shoring/ strutting, etc. drilling, stringing, reaming, and pulling back the new pipe-work on the designed bore path alignment, proper disposal of drilling fluid and back fill of site after completion all inclusive as per lndSTT:101-2018: Code of Practice for Horizontal Directional Drilling Technique Suiting Indian Conditions. Other Types Soil / Mixed Strata

a) 200 mm OD - Soft Soil

b) 200 mm OD - Mixed Strata

c) 200 mm OD - Rocks

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 utilsing 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. Mechanical Means, Rural Roads

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

i) 1200mm dia x upto 2000mm depth

ii) 1200mm dia x 2000mm to 2300 mm depth

iii) 1200mm dia x 2300mm to 2500 mm depth

iv) 1200mm dia x 2500mm to 3000 mm depth

v) 1200mm dia x 3000mm to 3500 mm depth

vi) 1200mm dia x 3500mm to 4000 mm depth

v) 1200mm dia x 4000mm to 4500 mm depth

vi) 1200mm dia x 4500mm to 5000 mm depth

v) 1200mm dia x 5000mm to 5500 mm depth

Providing 2mm thick M.S clamp welded with ISA 50x50x6mm at ends including appliation of bonding solution such as SR solvent of fevicol or Dr fixit or any other equivalent product including fixing with necessary nut, bolt and applying a coat of red oxide etc. Complete as per directed by Engineer -in-charge.

a) 200 mm

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

a) 200 mm

c) For Drain Work

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

Providing & laying of PVC pipe 160mm dia including supply of pvc pipe, jointing, excavation for laying of pvc pipe,pcc and refilling as per Engineer Incharge.

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 precast RCC slab covers of concrete grade M25 30T 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.

b) 90 x 60 x100 cm depth.

c) 90 x 60 x150 cm depth.

d) 90 x 60 x200 cm depth.

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

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.

Supplying and fixing of Precast RCC slabs(factory made,the factory should be ISO certified and registered under Dirctorate of Industries, Govt. of India) at site in concrete Grade of M-25 with 20 mm nominal size Granitic or basaltic aggregate, consolidated by means of mechanical platform, vibration etc. with lifting hooks of M.s. 10mm bars and PVC cups including cost of reincforcement, Certificate from manufacturer shall be produced indicating grade of concret and minimum content of steel in the product along with 5 year free replacement warranty in case of breakage complete and as directed by Engineer -in -charge. Size 900 x 400 x 150 mm with steel reinforcement not less than 7 kg per unit -30 T capacity.

Providing at store or site work non-pressure RCC pipes of with collar joints conforming to IS:458-2003 revised as per amendment No.11 , including freight, carting, loading, unloading, stacking etc. complete. NP3 a)150 mm

Conveying carefully from stack at site, 250m from both sides rolling and lowering into trenches, laying and jointing true to line and level, RCC spun pressure and non pressure pipes of various classes, specials including collar and perfect linking of joint with jack to correct position including cost of jointing material in cement mortar 1:2, necessary hydraulic testing, curing of cement mortar etc. complete. a) 150 mm

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

12mm cement plaster 1:3 (1 cement : 3 coarse sand)