Section 2 Scope of survey for equipment

2.1.1 Design appraisal and survey of structure, pipework, HVAC arrangements, and fire and overpressure protection is required. See also C2.37 and C2.41.

2.2.1  See C2.29.

2.3.1 Where the maximum air pressure is equal to 7 barg (100 psi) or greater, a survey to Code requirements including design appraisal is required.

2.3.2 Where the pressures are less than 100 psi, valid manufacturers’ documentation can be accepted. Material is to be manufactured to a recognised pressure vessel standard.

2.3.3 Typical acceptable standards: BS 5169, ASME VIII Div. 1 and BS 5500.

2.4.1  See C2.33.

2.5.1 Design appraisal for rated blast overpressure and construction under survey is required.

2.6.1  See C2.57.

2.7.2 Typical acceptable Standards are Structural Design A.I.S.C., Fabrication AWS D1.1, BS 4870, BS 4871 and Heat Radiation API RP 521.

2.8.1  See C2.25.

2.9.1 Reciprocating machines above 100 kW are to be built under survey with design appraisal of piping systems, any contained pressure vessels and torsional vibration characteristics for large reciprocating machines. Hydrostatic tests to be witnessed and manufacturers’ data examined for other components. See also C2.53 and C2.55.

2.10.1  See C2.33.

2.11.1 Review of P&IDs, hydraulic calculations, area coverage and pump capacities is required. For survey, see C2.12, C2.41 and C2.45.

2.12.1 For air compressors, mud pumps, cement pumps, generators and drawworks except fire.

2.12.2 Pumps and emergency generators.

2.12.3 Design appraisal with respect to vibration (i.e., hazardous areas), torsional vibration characteristics of shaft system and witness of commissioning of machines is required.

2.12.4 For fire pumps, vessel propulsion, auxiliary service and emergency generators.

2.12.5 Survey is required where the power is equal to or in excess of 100kW and to include above. If power is less than 100kW, manufacturers’ documentation can be accepted. Engines should be suitably marinised, batch and line approved and able to operate under the conditions specified in LR Rules.

2.13.1  See C2.25.

2.14.1  See C2.43.

2.15.1 Survey at manufacturers’ works is not required for equipment that is not specified in LR Classification Rules requirements. Equipment must be manufactured in accordance with a recognised Standard and manufacturers’ certificates are required. Flameproof and I.S. equipment is to be supplied with relevant certification and documentation issued by a recognised authority and must be suitable for the application. After installation under survey, the integrity of the complete system is to be established.

2.16.1 Witness of testing and documentation review at suppliers’ works by a specialist LR Surveyor is recommended (mandatory where full Cause and Effect Testing is not repeated during the installation commissioning phase).

2.16.2 Design appraisal requirements will vary according to the responsibilities assigned to the supplier by the main design contractor. For programmable systems, details of Hardware, system specification and Software QA manuals will be required for review. (Process control systems do not require LR survey at suppliers’ works).

2.17.1 Survey at manufacturers’ works is not required. Manufacturers’ documentation to be supplied.

2.17.2 When intended for use in hazardous areas, fans must be of non-sparking type.

2.18.1  See C2.43.

2.19.1  See C2.12.

2.20.1  See C2.7.

2.21.1 Manufacturers’ documentation, including prototype burst testing is required. Fire test certification is generally required for hydrocarbons, high pressure and essential control service.

2.22.1 Strength design appraisal and survey during manufacture, assembly and test is required.

2.23.1  See C2.53.

2.24.1 Witness of commissioning and testing after installation is required.

2.25.1  Hydrocarbons. Design appraisal and survey during manufacture to Code requirements is required.

2.25.2  Non-hydrocarbons, Design pressures greater than or equal to 7 barg (100 psi). Design appraisal and survey during fabrication is required. See also C2.43, which applies equally to shell and tube exchangers.

2.25.3  Non-hydrocarbons. Design pressures less than 7 barg (100 psi). Manufacturers’ documentation can be accepted with hydrostatic tests being witnessed after installation. Material is to be manufactured to a recognised pressure vessel standard.

2.25.4 Typical acceptable codes: PD 5500, ASME VIII Div. 1 & 2 and TEMA Standards.

2.26.1 Design appraisal of structure, markings, lights, obstacle free/drop off zones, fire and escape arrangements is required. Survey under fabrication as for modules.

2.27.1  See C2.33.

2.28.1 Survey at manufacturers’ works is not required for proprietary drilling equipment.

2.28.2  See Pt 3, Ch 21, 2.43 Pressure vessels.

2.29.1 Design appraisal and construction under survey is required.

2.29.2 Typical acceptable standards: BS 5045 and ASME VIII Div. 1.

2.30.1 Design appraisal. Survey of installation, witness test and commissioning are required.

2.31.1 Design appraisal and survey at manufacturers’ works. Witness test and commissioning are required.

2.32.1 Design appraisal and survey at manufacturers’ works. Witness test and commissioning are required.

2.33.1 To be built under survey in accordance with the LR’s Code for Lifting Appliances in a Marine Environment, which would include design appraisal, material identification, weld procedures and welder qualification tests, approval of NDT procedures and testing on completion. Care is to be taken that the appliance is suitable for use under dynamic loading offshore.

2.33.2 Air winches (non-personnel). No survey required at source. Manufacturers’ documentation will be accepted provided it includes evidence of hydrostatic test of pressure parts.

2.33.3 Cranes mountings, including pedestals. Design appraisal and construction under survey is required. Witness of testing and commissioning after installation is also required.

2.33.4 Other typical acceptable construction codes are given in Pt 12, Ch 1 Recognised Codes and Standards.

2.33.5 Personnel hoist. Design appraisal and construction under survey is required. Witness of testing and commissioning after installation is also required.

2.33.6 Other lifting devices. Where LR Certification is required by the client, design appraisal and survey with load testing after installation on the platform/unit is required.

2.33.7 Other lifting devices. Where LR Certification is not required, inspection and testing at the manufacturers’ works is required only for devices with a capacity greater than or equal to 10 tonnes. Devices with a capacity of less than 10 tonnes can be accepted if presented with valid manufacturers’ documentation. In addition, they must be tested after installation.

2.34.1 To be verified for LR Classification compliance – see Pt 1 Regulations. Hardware to be type approved for marine use.

2.35.1 Design appraisal and survey is required.

2.35.2 Typical acceptable standards: ANSI B3 1.3.

2.36.1 To be built under survey with design appraisal of piping systems aspects and any pressure vessels. Hydrostatic test to be witnessed and manufacturers’ data examined for all other aspects.

2.37.1 Design appraisal and survey of structure during construction is required and the following loads should be considered in the design.

1. Environmental.
2. Equipment and operational weights.
3. Construction, including lifting case.

2.37.2  See also C2.41.

2.38.1 Structural. Design appraisal and survey during manufacture is required for all components, including anchors, cables, chains, turret structure, etc.

2.38.2 Machinery. Design appraisal is required for all main bearings, mooring winches and chain stoppers.

NOTE:

Quayside mooring equipment can be accepted on the basis of manufacturers’ documentation.

2.39.1  See Pt 3, Ch 21, 2.21 Flexible hoses, Pt 3, Ch 21, 2.41 Pipework and fittings and Pt 3, Ch 21, 2.46 Pumps for other services.

2.39.2 Strength design appraisal of mooring winches, breakaway couplings, etc., is required.

2.40.1  See C2.43.

2.41.1 All fabricated pipework, e.g., process systems, gas and liquid fuel systems, fire main, compressed air lines, hydraulic systems, mud systems, etc., will be subject to design appraisal and survey during fabrication. Pipe fittings will normally be accepted with manufacturers’ documentation, but significant fabricated items may require survey at manufacturers’ works. Fabricated saddles for use in the fire main should be supplied with a copy of a valid proof test certificate.

2.41.3 Where pipework is included as part of a package, it is to be surveyed as above.

2.41.4 Typical acceptable standards: ANSI B3 1.3.

2.42.1 Hardware to be type approved for offshore use. Software to be developed under suitable software QA system. LR to witness commissioning tests.

2.43.1 (Separators, knockout drums, pulsation dampers, etc., including auto sprinkler and fire-extinguishing storage systems).

2.43.2 Where the system gauge pressure in bar multiplied by the internal volume in litres exceeds 200, vessels are to be built under survey which would include design appraisal, material identification, weld procedure and welder qualification tests and approval of NDT procedures. The vessel is to be built in accordance with a recognised Code or Standard and subject to hydrostatic test and internal examination on completion.

2.43.3 Typical acceptable codes: PD 5500 and ASME VIII.

2.44.1 All equipment, whether installed initially or at a subsequent date, should be manufactured to a relevant Code, Standard or specification and written confirmation of this, together with appropriate test certificates, should be obtained from the manufacturer. See C2.41 and the remainder of this appendix for individual equipment items.

2.45.1 All fire-fighting pumps (and prime movers) to be built under survey.

2.45.2 Material certificates and certificates for hydrostatic testing of cast casings, etc., to be reviewed.

2.46.1 Survey at manufacturers’ works for verification purposes is not required. Manufacturers’ documentation including material certificates is to be supplied.

2.47.2 No fabrication inspection is required.

2.48.1 Design appraisal and survey is required, see also C2.43 and C2.25.

2.49.1  See C2.43.

2.50.2 Materials for secondary structures need not be inspected at source provided the material is manufactured in accordance with a recognised Standard and is supported by manufacturers’ valid mill certificates.

2.50.3 Examples of secondary structures include gangways, walkways, handrails, cladding, helideck, floors, pipe supports, equipment plinths, mud and similar tanks and installation aids.

2.51.1  See C2.43.

2.52.2 Non hazardous liquid storage tanks – Open, vented or hydrostatic head only. Third party Inspection Certificate with evidence of construction and testing to a recognised Code or specification is required.

2.52.3 Pressurised lubricating oil or seal-oil tanks. Design appraisal and survey is required.

2.52.4 Fuel tanks and hazardous liquid tanks. Design appraisal and survey is required. Typical acceptable standards: BS 799 part IV and BS 2654.

2.53.1 Design pressure greater than or equal to 7 barg (100 psi). Surveyor is to verify manufacturers’ documentation, witness hydraulic tests of pressure parts and commissioning of machines.

2.53.2 Design pressure less than 7 barg (100 psi). Surveyor is to verify manufacturers’ documents and witness commissioning. Material is to be manufactured to a recognised pressure vessel standard.

2.53.3 Gas turbines. Consideration should be given to the codes used for pressure-retaining components and the need for containment, with a view to minimising and localising damage in the event of rotor blade failure. Survey of fabricated pressure-retaining items will generally be required.

2.54.1 Design appraisal and survey at source to include review of manufacturing and quality plans is required. Witness of factory acceptance tests and documentation review is also required.

2.55.1 In general, valves and fittings need not be surveyed at source provided they are manufactured in accordance with a recognised Code or Standard and are identifiable with a manufacturers’ certificate which includes the materials used for pressure-containing parts.

2.55.2 Details of certain large valves and fittings of welded construction will require to be submitted for special consideration, (e.g., Riser ESDVs, SSIVs, etc.). Design appraisal and survey of these items will be required in most cases.

2.55.3 Testing of pressure relief valves to be witnessed during commissioning at fabrication sites.

2.55.4 Typical acceptable standards: Safety Valve Design API RP 520, Valves API 6 series, B55351 and Fittings BS 1640.

2.56.1 Design appraisal: hazardous area zones and structural fire protection. The systems are to be surveyed and tested during installation and commissioning.

2.56.2 Fire Dampers are to be type approved.

2.57.1 Design appraisal for manufacture. Surveyors will issue a Certificate of Conformity following completion of the equipment and when satisfied that the equipment has been built and tested in accordance with the approved Specification for Manufacture. Manufacturers’ records of materials, inspection and tests should be assessed by the Surveyor.

2.57.2 For Verification (Wells Examination). Well control equipment will be subject to a design examination and survey during construction/assembly and testing where the equipment is designated as safety critical to the Installation.

2.57.3 Work done by others to meet the requirements of the well examination scheme will contribute to verification.

2.58.1 Design appraisal and survey, as for pipework and fittings.

2.59.1  See C2.33.

2.60.1  See C2.58.