Construction of Solar Powered Borehole with Over Head Tank Upgrade at General Hosital - Gembu, Taraba State

Oct 29, 2026

Upload by Ophelia

Detailed bill of quantities for upgrading a solar-powered borehole system with an overhead tank at General Hospital, Gembu, Taraba State. Covers preliminaries and drilling (including geo-physical survey, open-hole drilling, casing, screen, filter pack, flushing and development), pump testing, well disinfection, and water sampling with laboratory analyses. Includes solar components and visibility measures, metal tower/cover elements, pump installation with control systems, pipe connections and reticulation, generator provision, and perimeter fencing, concluding with summary totals and approvals.

LanguageEnglish

CategoryResearch & Report

FormatPDF

Pages3

Reading Time8 min

AccessFree to download

Preliminaries and Drilling

Installation and Well Development

Tower and Metallic Stanchion

Pump Installations

Solar Power and Visibility

Pipe Connections and Reticulations

Summary and Grand Total

| Construction of Solar Powered Borehole with Over Head Tank Upgrade at General Hosital
Gembu, Taraba State. | | | | | | --- | --- | --- | --- | --- | | DESCRIPTION OF ITEM | UNIT | QTY | RATE | AMOUNT(N) | | PRELIMINARIES AND DRILLING | | | | | | Mobilization and demobilization of of equipment and personnel to site | Ls | 1 | | | | Carry out Geo Physical survey with report submission | Ls | 10 | | | | Drilling of 162.5mm dia open hole through basement / Sedimentary formation, to accommodate 125mm dia permanent casing, including all drilling fluids and lubricants. | M | 250 | | | | Total for Preliminaries and Drilling | | | | | | INSTALLATION AND WELL DEVELOPMENT | | | | | | Supply and installation 125mm dia pressure UPVC casing (10 bars MUTUNCHI brand) | No | 74 | | | | Supply and installation of factory slotted 125mm Pvc screen | No | 10 | | | | Supply and place filter pack (graded gravel) in borehole anulus around the screen and casing | Ls | 1 | | | | Flushing and development of borehole by airlifting,jetting, and pumping to attain optimum yield and clean water for minimum of 3 hours and in the presence of SCI WASH person | Ls | 1 | | | | Supply and place cement grout in borehole anulus around the casing and construction of concrete slab around the well cap(minimum of 6m depth required) | M | 1 | | | | Conduct borehole pump test to ascertain the yied(8 hours minimum recommended time in the presence of SCI Engineer) | Ls | 1 | | | | Well disinfection using cholrine as disinfectant | Ls | 1 | | | | Conduct detail physical, bacteriological and chemical analysis of borehole's fresh water sample(with Hard copy submitted see attached parameters) | No | 1 | | | | Submit Well completion report with well logging(Lithology) . 4 hard copies submitted | Ls | 1 | | | | Construct and install tight fitted steel well cover with suitable fittings | No | 1 | | | | Total for Installation and Well development | | | | | | TOWER | | | | | | Supply and application Anti rust red oxide coating to completed water tower. | No | 1 | | | | Supply and application of Oil paint coating to completed water tower. | No | 1 | | | | Total for Metallic Stanchion | | | | | | PUMP INSTALLATIONS | | | | | | Supply and installation of Grundfos SQFlex pump specifications with dry running ptotection (pump capacity of 2KW) is to be agreed with SCI Engineer based on pumping test data. | No | 1 | | | | Supply and installation of Grundfos CU 200 control box complete including cables, connections and accessories to pump and to float switch . ( capable of using both generator and solar power) With weather protection cover | No | 1 | | | | Supply and installation of float switch to water tank with cables and connections | No | 1 | | | | Supply and Installation 1 1/4" UPVC riser mains from the pump to the well head(Tiger make) | length | 16 | | | | Construction of 5" flange to well head reduced to take 2" UPVC pipe connection to the Supply Mains including fittings and accesories for connection. | No | 1 | | | | Construction of welhead protection from theft with RC cover | No | 1 | | | | Total for pump Installations | | | | | | SOLAR POWER AND VISIBILITY | | | | | 6.1 6.2 6.3 7 7.1 7.2 7.3 7.4 7.6 7.7 | Supply and installation of solar panels watts to be determined by pump rating including connections and cables to control unit (Tobe determined with SCI Engineer (Approx 300watts each totalling 3.2KW) | panels | 11 | | | | --- | --- | --- | --- | --- | | Supply and Install SCI visibility as recommended by SCI Engineer | LS | 1 | | | | Supply and installation of Metal frame as indicated in the drawings properly welded and braced to hold solar panels from Strong winds and storms . | No | 1 | | | | Total for Solar power and Visibility | | | | | | PIPE CONNECTIONS AND RETICULATIONS | | | | | | Supply and installation of 2 UPVC mains from well head to pump (Tige

FAQs

What activities are included in the preliminaries and drilling scope?

Mobilization/demobilization, geo-physical survey, and drilling of a 162.5mm diameter open hole to accommodate 125mm permanent casing, with drilling fluids and lubricants.

What is included in installation and well development?

Supply and installation of UPVC casing and slotted PVC screen, placing filter pack and cement grout, flushing/development to achieve optimum yield and clean water, pump testing, well disinfection, and physical, bacteriological, and chemical analysis of fresh water samples.

What are the key components in pump installation, solar power, and pipe reticulation?

Installation of Grundfos pump and control box with float switch, UPVC riser mains and wellhead connections, solar panels with metal frame, generator supply, and mains from well head to pump and from overhead tank to distribution taps, plus tap stand and fencing.

Oct 29, 2026

Upload by Ophelia