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BOQ FOR SOLAR MOTORIZED BOREHOLE FOR 6000 litres
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S/NDESCRIPTIONUnitQTYRATEAMOUNT(N)
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APRELIMINARY
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1Initial Mobilization and final Demobilization of equipment and personnel to and from site from contractor’s base office.LS1 -
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2Inter sites Mobilization and Demobilization of equipment and personnel.LS1 -
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3Clearing of siteM21 -
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Preliminary carried to summary -
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BBOREHOLE DRILLING
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1Conduct geophysical survey (field work, interpretation and report to locate productive borehole sites, delineate aquiferous zones and identify horizons vulnerable to saltwater intrusion and mineralization) for the location of borehole at a suitable site for atleast a minimum of 3 points per location.LS1 -
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2Drilling of borehole in basement/sedimentary formationM80 -
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3Supply and install 125mm diameter UPVC casings of 10 bar pressure rating.M71 -
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4Supply & installation of 125mm diameter UPVC screens of 10 bar pressure rating; slot size 0.5 M9 -
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5Supply and place approved gravel 5-10mm size for casings and screens below ground surface.LS1 -
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6Borehole cleaning and development till water is clear and silt free.LS1 -
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7Conduct continuous borehole pump test for not less than 6 hour period and with an average flow rate of 0.6l/sLS1 -
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8Conduct water quality analysis (biological, chemical and physical) and borehole disinfectionLS1 -
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9Provide and place cement grout down to 5m from surface to protect borehole from surface water.LS1 -
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10Supply and installation 212mm diameter x 3m height steel pipe (of thickness not less than 3mm) fitted in the grout for borehole to the depth of 3m below and welded with thick cover to serve as well head. Refer to DRAWING NO 2LS1 -
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Borehole Drilling carried to summary -
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C
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1Supply and Install pump type SQ flex 2.5-2 for yield beween 0.6l/s-0.89l/s and SQF(7-55,5-70,5A-7, 3A-10) for yield of 0.9l/s and above + CU200 or CIU903 switch box (Refer to pump and wattage table) as advised by the PMT after pumping test result, the pump will be branded or with engraving as specified.Set1 -
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2Supply and Install 3M scotch cast Cable jointing kit & earthingSet1 -
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3aSupply & Install Solar mono/polycrystalline panels as in TSS (300watts) Watts1200 -
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4Supply & Install Support Structure and frame for panels as in drawing no 3&6NR1 -
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5Supply and Install 3X6mm2 pump motor cablesSet1 -
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6Supply and Install 4mm2 inter-connector cables( Nigeria Cables).Set1 -
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7Supply and Install Marine rope (10mm) as antidrop for the pumproll1 -
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8Supply and Install High pressure 32mm uPVC piping (8bar) for pump installationM70 -
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9Supply and Install Locally assembled lightening protection set (with a hard drawn high conductivity copper tape of 1 x 3mm), using made in UK accessories.Set1 -
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10Supply and Install level switchSet1 -
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11Construct & Install security for the solar pump including reinforced concrete box on the 2 stage opening metal box over the the well head. Note that this MUST be completely underground (REFER TO THE DRAWING No 1&2)LS1 -
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Solar power requirements carried to summary -
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DTANK AND STANCHION (Reinforced concrete - mix ratio 1:2:4-20mm agg and Steel Works)
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1Excavate:1200mmx1200mmx900mm for pad footingsNR4 -
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2100mm thick blinding on pad foundationsm30.45 -
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3Pad footing (1200mmx1200mm x900mm)m34 -
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4 300mm x 300mm reinforced concrete strap beams connecting the 6 footings.m30.8 -
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5Reinforcements for the pad(7.5 lengths of starter bars Y25 dia with threaded ends and 11.5 lengths of Y16 for mersh) as in drawings no 7length9 -
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6Provide base plate 500mmx500mm with 4no, 25.5mm dia.holes (16mm thick)NR4 -
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8Provide 152mmx 75 mm x 9m x37kg/m H-Beam as primary beamsm36 -
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9Provide 152mmx 75 mm x 9m x37kg/m H-Beam as secondary beamsm27 -
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1060X60X6mm angle bars for brazing & railm90 -
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1160X60X6mm angle bars for brazingm45 -
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1225mm steel grating 100mmx50mmm210 -
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13Allow for steel ladder cage, hand railsLS1 -
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14Bolts, gusset plate, angle iron and connection/ plate accessories LS1 -
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15Prepare tower to receive paint (scrapping, brushing & cleaning rust and dirt), treat with 3 coats of red oxide and apply 3 coats of approved paint (Berger or equivalent) on tower (Aluminium colour)LS1 -
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16Supply and install approved 3,000Litres BLACK PVC tank and complete with technical specifications requirementsNR2 -
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17Supply and install Motion Security light 300 Watts on a 3/4"gavanized steel thick pipe coated with aliminium paint midway on the longest length of the structural framework carrying the panelNR2 -
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Tank and stanchion carried to summary -
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EPLUMBING, TAP ISLAND AND RETICULATION
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1Excavate trench 600mmx600mm to receive pvc water distribution pipes to tank location.m15 -
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2Pipe 32mm water inlet pvc pipes from the borehole location to tank, complete with accessoriesm15 -
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3Excavate trench (600mm×600mm) and lay Pipe 4 bar 50mm pressure pipe from tank to 5 locations (Tap Islands) in the host community (Priotising the school) , total cummulative distance of 1.5kmm15 -
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4Provide and install 25mm diameter double head 3 stand posts with (6) PVC sprouts embedded in concrete tap island as contained in drawing no 4 complete with inspection chambers (for the reticulation), control valve chambers, drainages and soak pit at every 200-300m in the reticulation lineNR1 -
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5Flush and disinfect the whole system (tank, pipes and reticulation line) using high test hypochlorite (HTH) and test run the whole systemLS1 -
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6Provide 2 copies of spiral bound report of work (completion report with borehole report as indicated in the technical specification) with a soft copy on CDCOPY2 -
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Plumbing, tap island and reticulation carried to summary -
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TOTAL -
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Bill of Quantities For Fencing of solar installations using blocks&wire mesh (Type A, Perimeter = 30m)
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S/N Item DescriptionUnitQtyRateAmount
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AExcavation and Earth work
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1Excavate trench to receive fence foundation 600mmx450mmx 50meters total perimeterm34 -
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2Backfill and ram foundation spread and remove surplus excavated materials from sitem33 -
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BConcrete Work -
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1Pour concrete 1:2:4 in footing for GI pipes 450mmx450mmx 600mm (13 Nr)m31 -
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2Pour concrete 1:2:4 in wall footing 150mm thick m31 -
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3Provide Coping 50mm thick 250mm wide on top of block workm30.5 -
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4Pour concrete 1:3:6 in Floor 75mm thick of the entire fenced area (covering both the wellhead security)m33 -
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CBlock Work -
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1Install 150mm sandcrete blocks 450mm high the specified perimeter at sub-structurem211 -
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2Install 150mm sandcrete blocks 450mm high the specified perimeter at super-structurem210 -
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DForm Work -
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1Sides and soffits of coppingm5 -
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EMetal Work -
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1Provide see through metal gate, using GI wire mesh.nr1 -
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2Provide and install 2inches pipes (GI) (3m length)nr9 -
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3Provide and install wire guaze (GI) 2m high round the entire area.m230 -
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4Provide Binding wirekg5 -
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5Provide Steel spikes on copingls1 -
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FFinishes -
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1Rendering entire block work, in and outm218 -
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Total -
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SUMMARY
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S/N ITEMSAmount
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1BOQ FOR CONSTRUCTION/DRILLING OF REGULAR DEPTH WELL 60M (12000LITERS ON 9M HIGH TOWER) WATER SCHEME -
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2 Bill of Quantities For Fencing of solar installations using blocks&wire mesh (Type A, Perimeter = 30m) -
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UNIT COST -
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