Completion of Abandoned Building RFP at Mediatrix Development Foundation

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

• Completion of Abandoned block of 6 classrooms and 2 offices at RCM Primary School Utanga, Obanlikwu LGA as may be provided in all Drawings and BOQs.
• Provide lintel beams 225mm x 225mm reinforcements 12mm diameter (Y12, 2top and 2 bottom) and 8mm diameter, approved formworks for the sides and soffits for beams and columns. All the concrete works should be cured to the required amount of time which is 14 to 28 days
• Provide external columns of 225mm x 225mm with reinforcements 12mm diameter (4Y12) and 8mm diameter, approved formworks for the sides and soffits for beams and columns. All the concrete works should be cured to the required amount of time which is 14 to 28 days
• Supply and build 225 mm and 150mm thick wall with approved blocks from floor lintel to roof level jointed in cement sand mortar (mix ratio 1:4) for internal and external walls
• Supply and construct roof structure of 50mmx100mm Rafter, 50mmx150mm Tie beam and king post, 50mmx100mm struts, 50 x 75mm purlins. Roof coverings of Blue aluminum long span sheets 0. 45mm gauge, sloping not exceeding 45 degrees from horizontal, with one 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
• Supply and install metal security doors 1000 x 2100 mm, frame inclusive with 4 fielded equal panels. Door hinges-100mm brass butt hinges inclusive and any other required accessories
• Supply and install metal burglary proof protector in all windows and doors of the offices (measuring 1500 x 1200mm 1000mm x 1200mm Doors 900mm x 900mm, inclusive frame).
• Provide tiling of 100x20mm tile skirting, 300 x 300 x 12mm ceramic rough 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.
• Apply 15mm thick cement sand plaster on walls and Painting (emulsion and gloss) and decoration to Plastered walls by weather guard paint externally, and silky paint internally, Brazilian hard board ceiling, General wood surfaces.
• Supply and install 1220mm x 2440mm Brazilian hard board to ceiling including all the necessary
• fittings, 50x50mm softwood timber for ceiling framing including all necessary accessories.
• 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.
• 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.
• Construct a Septic tank with 2800mmx1800mmx1600mm, provide plumbing and sanitary installations and fittings and allow for all connection points complete with all necessary fittings and accessories, for preparation of sewer lines and connection to water source including installation of waste water system. Fix all plumbing and sanitary appliances, construct inspection chambers walling 300mm wide x 300mm long x 30mm depth, manholes walling 400mm wide x 400mm long x 450mm depth. With manhole and chamber covers installed and a wall finish in
• cement and sand plaster, with manhole cover, Including all plumbing accessories for waste water collection towards the septic tanks and soak

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 Google Drive Here https://drive.google.com/drive/folders/1ZkndDxE3zW985EkxFX4_ksQoij6v1jNB