Renovation of Administrative Block with A Block of 2 classrooms at Government Technical College Ajassor, Etung LGA at Mediatrix Development Foundation

TASKS TO BE ACCOMPLISHED (SCOPE OF WORK);
The contractor will be required to implement the following tasks;

• Renovation of Administrative Block with A Block of 2 classrooms at Technical College Ajassor, Etung LGA as may be provided in all Drawings and BOQs.
• Supply and building 225mm thick walling for external wall with sandcrete hollow blocks, bedded and jointed in cement and sand (1:4) mortar to form 700mm x 700mm pavement at the back and sides of the building
• Supply, resize and build approved 225mm thick hollow sandcrete blocks bedded and jointed in cement and sand (1:4) mortar to 1500mm x 1200mm windows in the building
• Remove existing roof in the Administrative block, supply and replace with new roof structure of 50mmx100mm Rafter, 50mmx150mm Tie beam and king post, 50mmx100mm struts, 50 x 75mm purlins. Roof coverings of long span aluminum sheets of 0.45mm gauge, sloping not exceeding 45 degrees from horizontal, with two corrugation side overlap and 150mm end overlap include all nails and other necessary accessories delivering and fixing in position, Ridge capping and roof drainage as per drawings and specifications
• Rehabilitate existing poles to reinforced concrete column of 225mm X 225mm.
• Remove existing wooden doors, supply and replace with new good quality metal security doors 900mm x 2100mm, frame and protectors (except for the two classes) inclusive with 4 fielded equal panels. Door hinges-100mm brass butt hinges inclusive and any other required accessories
• Remove existing louvers window, supply and replace new good quality metal windows with
• protector (measuring 1500mm x 1200mm inclusive frame).
• Repair failed floor finishing by provide tiling of 100x20mm tile skirting, 300 x 300 x 12mm ceramic or terrazzo tiles to floors on 32mm thick cement and sand bed; level or to falls only not exceeding 15 degrees from horizontal, 200 x 300 x 12mm ceramic tiles to walls on 12mm cement and sand Backing to receive wall tiles.
• Remove and reapply 15mm thick cement sand plaster on walls and Painting (emulsion and gross) and decoration to Plastered walls by weather guard off- white emulsion paint externally and
• internally (from window seat to the roof level), and blue satin oil paint internally and external(below the window seat), Brazilian hard board ceiling, General wood surfaces.
• Remove existing broken/dilapidated ceiling, supply and install 1220mmx2440mm Brazilian hard board to ceiling including all the necessary fittings, 50mmx50mm softwood timber for ceiling framing including all necessary accessories
• Expose cracks in walls/foundation and repair with approved material by the engineer.
• Supply, install and commission all Electrical fittings by ensuring that all the conduits are concealed in walls and full conduit on ceiling, as per BOQ. Allow for Earthing system include excavating pit filled with
• copper earth rod, connecting cable, charcoal and salt.

IV.GENERAL SPCIFICATIONS

• The contractor shall be responsible for any damage to the nearby buildings or outsider or employee of the contractor during the course of construction.
• The contractor shall be responsible for repair of works under the contract by guaranteeing material quality and good workmanship for 1year after work delivery.
• The contractor shall carry out the construction smoothly and comply with good techniques and if any part does not show in the drawings but be the part concerning good technique, the contractor shall request for the consent of the engineer.
• Please note that the site engineers shall not be held responsible for any failure during and after constructions for jobs not supervised by him.
• Note that the quantities herein are subject to variations during construction.
• Concrete steel reinforcement steel shall be plane bars which has never been used before and shall be without any rust or coated with any alien materials, dirt coated on surface Shall be eliminated before use. The yield point shall not be less than 2,400 KCS/cm2. For round bar and not less than 4,000KGS/Cm3 for deformed.
• The distance of bending at the end shall have diameter of the smallest part being equal to 5 times of the diameter of the steel, measuring from steel half circle shape at least 4 times of the diameter of the steel and shall not be less than 5cm. for the 90 degree bending, the part protruding from the bending shall be at least 18 times of the diameter of the steel and
• shall not be less than 10cm.
• Portland cement shall be of elephant brand or equivalent product. Others be approved by the Engineer.
• Sand shall be fresh water sand, strong, sharp and not fragile. It shall be clean without other materials which may endanger concrete. It shall be tested with sodium hydroxide 3%
• according to the standard test, having value of fineness modulus between 2.75 – 3.25.
• Gravel shall be clean, strong and not fragile. To be without Other material which may endanger concrete. It shall be well graded, that is in volume. There shall be not more than 20%of the gravels with length over 3 times of other sides of the gravel.
• Water use for mixing must be clean water without any tastes, smell, oil, acid, base, salt, sugar and any other organic material.
• The contractor shall send mixed design, inspected and approved by the Engineer before carrying out concrete works, together with reports on the test of 3 samples of cylinder concrete of 15cm. However, the design Engineer shall have the right to collect new cylinder concrete during concrete casting if there is any doubt in concrete quality.
• No concrete of more than 30 minutes mixing shall not be deposited or the depositing of concrete about to be set or concrete with other aliens mixing shall not be allowed.
• The bracing of form work shall be strong and neat. After taking out, it shall not bend too much. If there are holes or curbs, they shall first be corrected and made surface smooth. If they are plugged with cement of the ratio of 1:3 for cement and sand, the surface should be smoothened.
• The concrete shall not be taken out until after completing schedule for concrete deposition not exceeding 2 days for poles, beams and walls.
• The wall thickness of the blocks shall not be more than 225mm for external walls and 150mm for internal walls.
• The minimum crushing strength of the block is to be 2.0N/mm of gross area of solid block after 28days.

C: METHODOLOGY AND THE ASSIGNMENT DURATION.
All the works shall be completed within the duration stated by the awarded contract. The contractor should inform the client of any circumstance specifically force majeure should it seem to affect contractor’s project implementation. Any other delays will make the contractor liable to the penalty equivalent to 0.1% of the total contract sum for each calendar day of delay.
Any changes or activity not included in the construction documents that deemed necessary should be approved by MDF prior execution
The contractor is not allowed to subcontract or in any way work contrary to MDF standards.

See the complete RFP on Goole Drive Here  https://drive.google.com/drive/folders/1VOT9A0xZA3EtDPnwDATDjdUoZoEYG2GQ