Agribusiness Development Agency Volume 3
Celokuhle Farm – Phase 3: Pump StationPart 3 – Scope of Work
PART 3 - SCOPE OF WORK
C3 - SCOPE OF WORK
CONTENTS
ItemDescriptionPage
- DESCRIPTION OF THE WORKS3-20
- Employer’s Objectives3-20
1.2Overview of the Works3-20
1.3Extent of the Works3-20
1.4Coordination with other Contractors3-20
1.5Construction Programme3-20
1.6Location of the Works3-20
1.7Temporary Works3-21
2.ENGINEERING3-21
2.1Design Services and Activity Matrix3-21
2.2Employer’s Design3-21
2.3Design Brief3-21
2.4Drawings3-21
- PROCUREMENT3-22
3.1Procurement Policy3-22
3.2Subcontracting3-22
- CONSTRUCTION3-22
4.1Works Specifications3-22
4.2Construction Equipment3-23
4.3Existing Services3-23
4.4Site Establishment3-24
4.5Site Usage3-25
4.6Permits and Way Leaves3-25
4.7Connection to Existing Services3-25
4.8Water for Construction Purposes3-25
4.9Construction using Community Based sub-contractors3-25
- MANAGEMENT3-25
5.1Management of the Works3-25
5.2Health and Safety3-26
- ANNEXURES
Annexure A-Variations to Standardized Specifications and Additional Clauses 3-27
Annexure B-Particular Specifications3-31
Annexure C-Drawings3-87
Annexure D-Standard Forms to be used during the currency of the Contract 3-88
- DESCRIPTION OF THE WORKS
- EMPLOYER’S OBJECTIVES
- The primary objective of ADA is to assist the Celokuhle Timber and Dairy Farming Trust to operate an efficient and profitable dairy farm. In particular ADA’s goal for this project is to providethe pump station required for the irrigation infrastructure necessary to irrigate pastures required for the dairy farm, supporting 200 milking cows at capacity.
1.2 OVERVIEW OF THE WORKS
The dairy is located on the Veryan Farm located in the Greater Kokstad Municipality under the Sisonke District Municipality within the Swartberg Area.
A pump station is required as the first phase in providing additional irrigation infrastructure on the farm.
1.3 EXTENT OF THE WORKS
The project scope is to supply and install the following works at Veryan Farm, some 41km from Swartberg:
1)Pump station
2)Associated civil, mechanical and electrical works.
1.3.2Work Stated Provisionally
None.
1.4Coordination with other Contractors
1.4.1General
Other contractors are envisaged working in the same area of other projects.
1.5Construction Programme
1.5.1Construction Phases
The contractor to program the works to finish within the allocated time for completion.
1.6Location of the Works
a)The site works is on the existing Veryan Farm, near Swartberg, in KwaZulu-Natal.
b)Access to parts of the scheme is by reasonably well-maintained gravel roads and all of the fence routes can be accessed by vehicle.
1.7Temporary Works
See 2.1 below.
- ENGINEERING
2.1Design Services and Activity Matrix
The Contractor is not responsible for the design of the permanent works.
The Contractor shall be responsible for the design and safety of all temporary formwork, support work required in the construction.
2.2Employer’s Design
The Employer’s design of the Works is complete.
The Employer retains the right to issue whatever additional drawings during the progress of the works as may be required.
2.3Design Brief
The Employer’s preference with respect to the works components are as shown on the drawings.
2.4Drawings
2.4.1Drawings Prepared by the Employer
The drawings prepared by the Employer comprise of the following:
1)General
The Contractor will be supplied with three full-scale prints of each construction drawing free-of-charge. Further copies will be charged for at commercial rates.
Only figured dimensions shall be used and drawings shall not be scaled unless so instructed by the Engineer. The Engineer will supply any figured dimensions which may have been omitted from the drawings.
2)Drawings included in the Annexures to the Scope of Work
Refer to Annexure C of the tender.
3)Drawings issued separately (after award of contract)
- Remaining details for the works
- PROCUREMENT
3.1Procurement Policy
Procurement policy of Agribusiness Development Agencyapplies to this contract.
3.2Subcontracting
The Contractor may use specialist subcontractors for parts of the work. Such specialist subcontractor shall be proposed to the Engineer for his approval. Should the sub-contractor not be acceptable to the Engineer, the Contractor will have to propose an alternative subcontractor that is acceptable to the Engineer.
- CONSTRUCTION
4.1Works Specifications
4.1.1Applicable SABS Standardised Specifications
The applicable standardised specifications for this Contract shall be the following:
SABS 1200AGeneral
SABS 1200ABGeneral - Engineer's Office
SABS 1200 C-Site Clearance
SABS 1200DEarthworks
SABS 1200GConcrete (Structural)
SABS 1200HStructural Steelwork
SABS 1200HCCorrosion protection for structural steelwork
SABS 1200LMedium Pressure Pipelines
Note:
Each of the SABS Standards above contains an Appendix A which lists further specifications not bound into this document. These additional specifications shall also apply, inter alia, to this Contract.
*Not issued with this document, but available at the Contractors expense from the:
SABSInternational Organization for Standardization
Private Bag X191
PRETORIA
0001
4.1.2Variations to Standardised Specifications and Additional Clauses
The following variations to standardised and additional clauses are applicable to this Contract and are contained in the Annexure A to the Scope of Works.
PSA-General
4.1.3Particular Specifications
The following Particular Specifications are applicable to this Contract and are contained in the Annexure B to the Scope of Works.
PB-Building Work
PSC-Concrete
PSL-Medium Pressure Pipelines
PSS-Structural Steelwork
PG- Concrete for Water Retaining Structures
PF-Fencing
POHSA -Health and Safety Specifications
4.2Construction Equipment
The contractor’s equipment for construction shall be adequate for the purpose required, of modern design and in good condition to carry out the works expeditiously. Should the Engineer be of the opinion that the equipment in use is in any way unsuitable for carrying out the works in a manner or at a rate commensurate with the requirements of the contract, he shall have the right to call on the Contractor at any time during the progress of the works to provide such additional or improved equipment as may be necessary to meet these requirements.
The Employer makes no provision in this contract for financial assistance to the Contractor for the acquisition of plant, machinery and equipment.
4.3Existing Services
4.3.1Care of Existing Services
The Contractor shall, before starting any excavations, carefully search and probe the terrain for any existing services or indications of the presence of such services. The cost thereof is to be included in the Preliminary and General payment items.
In addition, if the proposed new construction works crosses underneath overhead power lines belonging to Eskom as well as underground pipelines and communication cables belonging to Telkom, the Contractor shall have to comply with all the requirements laid down by the relevant authorities when working in the vicinity thereof. The Contractor shall be responsible for checking the locations of all such services with representative of the relevant authorities to ensure that no damage is caused by construction operations.
Work executed within the road reserve of provincial or local roads shall be carried out strictly in accordance with the requirements laid down by the relevant provincial or local authorities. These include the use of traffic signs, flagmen and other requirements as applicable.
4.3.2Connection to Existing Services
Prior to connection of new services to existing services, the Contractor shall ensure that the constructed services are clean and free of foreign matter and shall subsequently request the Engineer, in writing, to inspect such Works. Only upon written approval of the Engineer, may connections to existing services be made.
4.3.3Contractor to Notify Relevant Authority and the Engineer of Damaged Service
In the event of any service being damaged or accidentally disconnected for any reason, the Contractor shall immediately contact the relevant authority for instructions and shall report the occurrence to the Engineer in writing. The report shall include the reasons for the occurrence of the incident. When instructed, the damage is to be repaired as soon as possible to the approval of the Engineer and Authority. The Contractor will be held responsible for paying all costs incurred by the Service owner or himself as result of each incident where the relevant service was clearly identified beforehand.
4.4Site Establishment
4.4.1Services and Facilities provided by the Employer
a)Water
The Contractor shall be responsible for making his own arrangements to provide the water that he may require for his site and construction purposes.
b)Electricity/Power Supply
The Contractor shall be responsible for making his own arrangements to provide electric power and other services that he may require for construction purposes.
The cost of making such arrangements, for meeting the conditions imposed and for the metered consumption shall be paid by the Contractor, and his tender will be held to include for all such requirements throughout the duration of the Contract.
4.4.2Facilities Provided by the Contractor
The Contractor will be required to make his own arrangements for the provision of a suitable construction camp, offices and workshops at a designated location on the site. He shall be responsible for all negotiations with the relevant authorities and he shall comply with all requirements imposed by those authorities. Suitable sites available at the project will be pointed out during the site inspection.
The facility shall be properly fenced around the perimeter. Temporary buildings and fencing are to be neat and presentable and the surrounding areas must at all times be kept in a neat, clean and orderly condition. The costs associated with the provision of these items shall be borne by the Contractor. The Contractor will be required to remove all facilities and restore the site to its original condition on completion of Works.
4.4.3Other Facilities and Services
a)Latrine and Ablution Facilities
It will be required of the Contractor to provide temporary toilets and ablution facilities for his staff for the duration of the contract, to generally acceptable standards and the conditions as stipulated in the Environmental Management Plan.
b)Housing of Contractor’s Staff
The Contractor shall make his own arrangements for the housing of his supervisory staff.
c)Security
The Contractor will be responsible for providing adequate security for the Works and for the site establishment. All costs associated with the provision of watchmen shall be borne by the Contractor and deemed to be included in his tendered rates.
4.5Site Usage
The Employer expects the contractor, his staff or agents to maintain good public relations with landowners, other contractors and members of the public at all time.
The Employer will arrange the contractor’s access to the site.
4.6Permits and Way Leaves
Not applicable.
4.7Connection to Existing Services
Prior to connection of new services to existing services, the Contractor shall ensure that the constructed services are clean and free of foreign matter and shall subsequently request the Engineer, in writing to inspect such work. Only upon written approval of the Engineer, may connections to existing services be made.
4.8Water for Construction Purposes
The Contractor shall be responsible to provide water for construction purposes.
4.9Construction using Community Based sub-contractors
The Contractor shall provide management support, supervisors, materials and transport to get the materials to site. He shall then employ community based sub-contractors each with their own foreman to construct any general works required to specification.
- MANAGEMENT
5.1Management of the Works
5.1.1Planning and Programming
The Contractor shall supply within the period stated in the Contract Data a suitable and realistic construction programme, cash flow diagram, and critical path diagram for the consideration of the Engineer. This programme shall show the proposed scheduling and methods of execution of the Works and the resources to be allocated to each item or phase of the work. Quantities proposed for execution during each week and the anticipated cash flow based upon these quantities should be shown, due allowance being made for price escalations and retention monies.
The programme shall make provision for the accommodation of other contractors’ requirements. It will be required from the contractor to liaise regularly and closely with other contractors to ensure continuous co-ordination and execution of the scheduled work.
5.1.2Recording of Weather
The Contractor shall provide and install a rain gauge on site and shall record rainfall data in the site diary on a daily basis. A site diary will be issued to the Contractor.
5.1.3 Workmanship and Supervision
The onus is on the Contractor to produce work which will conform in quality and in accuracy of the detail to the requirements hereinafter specified.
5.1.4Commissioning of the Works
As per the programme.
5.1.5As-built information
As-built information to be compiled by the Contractor on hard copy plans to the satisfaction of the Engineer.
5.2Health and Safety
5.2.1Health and Safety Requirements
The Occupational Health and Safety Act, Act 85 of 1993 shall apply to this contract. The Contractor shall comply with the Particular Specification for Occupational Health and Safety.
5.2.2Protection of the Public
As the contract entails working on a operational plant, special attention must be paid to the following aspects:
1)No blasting will be allowed unless prior written approval from the Engineer and local authorities is obtained.
2)Safety of the public is of prime importance and the utmost care must be taken to ensure that the correct signs, barriers and warning devices are in place.
3)Movement of construction equipment must be controlled on site at all times.
6.ANNEXURES TO THE SCOPE OF WORKS
Annexure A-Variations to Standardised Specifications and Additional Clauses
PSA-General
Annexure B-Particular Specifications
PB-Building Work
PSC-Concrete
PSL-Medium Pressure Pipelines
PSS-Structural Steelwork
PG- Concrete for Water Retaining Structures
PF-Fencing
POHSA-Health and Safety Specifications
Annexure C-Standard Forms to be used during the currency of the Contract
Daywork Returns
Certificate Summary
Summary of Schedule
Schedule Description
Requisition for final checking of work
ANNEXURE A
VARIATIONS TO STANDARDISED SPECIFICATIONS AND ADDITIONAL CLAUSES
Page
PSA-General3-28
PSA - GENERAL
PSA1SPECIFICATION DRAWINGS (Clause 2.7)
Specification Drawings are included in this document as annexures to the Project and Particular Specifications. Where such Specification Drawings depict items and standard structures according to lay-outs and details differing from those shown in the Standardised Specifications, the lay-outs and details shown in the Annexures to the Project and Particular Specifications shall prevail.
PSA2QUALITY (Clause 3.1)
All material used in the Works shall, where such mark has been awarded for a specific type of material, bear the SABS mark.
PSA3TESTING (Clause 7)
PSA3.1All test results obtained by the Contractor in the course of his process control of the Works shall be submitted to the Engineer or his Representative prior to requesting inspection of the relevant portions of the Works. Any request for inspection shall be submitted on the prescribed forms appended as annexures to these Specifications.
PSA3.2The Contractor shall make suitable arrangements for process control prior to commencement with the Works. Should he intend using site personnel for this purpose he shall ensure that suitably trained and competent personnel take charge of the necessary test work and that the necessary equipment is at their disposal prior to commencement of the Works. Failure to comply with these requirements shall be just cause for the Engineer to order suspension of the works without additional remuneration in terms of clause 42 of the Conditions of Contract or for him to recommend determination to the Employer in terms of Clause 58 thereof.
PSA4INSTRUCTIONS BY THE ENGINEER
Site instructions by the Engineer, addressed to the Contractor at his office on the site, will be numbered consecutively and will be deemed to have been received by the Contractor's Representative unless a break in the sequence of numbers is brought to the notice of the Engineer in writing immediately.
PSA5PAYMENT (Clause 8.2)
Monthly progress payment certificates shall be submitted to the Engineer's Representative on site sufficiently early to allow for reconciliation of all quantities, rates, extensions and additions in the certificate. It will be assumed that the contractor has made adequate provision in the prices tendered for manufacture/supply, delivery, assembly, installation and commissioning of all necessary aids required to execute the contract. The certificates shall be according to the standard format included in the annexures to these specifications.
Upon approval by the Engineer's Representative the certificate should be submitted in typed form to the Engineer before or on the 20th of each month, together with the required number of copies, for certification.
Where dayworks have been instructed by the Engineer, the Contractor shall submit the returns to the Engineer for signature and approval within twenty-four (24) hours of the end of the working day on which the work was executed. Daywork returns shall be submitted on forms included in the annexures to the Specifications.
PSA6SUMS STATED PROVISIONALLY (Clause 8.5)
PSA6.1A Provisional Sum has been included in the Schedules for contingencies. No percentage mark up will be applicable to any payments made in this regard other than those included in prices for variations determined in terms of clause 39 of the Conditions of Contract.
PSA6.2Day work items have been included in the Schedule of Quantities with all the items being provisionally measured.
A further provisional amount has been included in Schedule 1 for materials to be used during the execution of dayworks.
In addition to the abovementioned amount, provision is made in Schedule 1 for a mark-up on the materials to be used during the execution of dayworks. Payment made shall be regarded as full compensation for overheads, charges and profit on the materials to be used when executing dayworks.
PSA6.3Other minor amounts as listed in the Schedule of Quantities.
ANNEXURE B
PARTICULAR SPECIFICATIONS
Page
PB-BUILDING WORK3-32
PSC-CONCRETE3-41
PSL-MEDIUM PRESSURE PIPELINES3-56
PSS-STRUCTURAL STEELWORK3-64
PG- CONCRETE FOR WATER RETAINING STRUCTURES3-68
PF-FENCING3-74
POHSA-HEALTH AND SAFETY SPECIFICATIONS3-79
PB – BUILDING WORK
PB1SCOPE
This section of the Specifications deals specifically with all the building work associated with the Works.
Concrete work, steelwork, cladding, pipe laying, mechanical and electrical equipment, etc. forming part of or to be housed in a building erected in terms of this specification shall conform to the requirements of the relevant standardized or particular specifications referred to in the Project Specification.
PB2INTERPRETATIONS
The relevant SABS 1200 Standardized Specifications such as Site Clearance, Earthworks, Earthworks (pipe trenches), Concrete (structural), Low pressure pipelines, Bedding (pipes), Sewers and Storm water drainage shall also apply to the work under this section.