Specialized System For Electro-Mechanic Co. W.L.L. Lith Smirat & Partner Commercial Complex Building # 27, Office 1, King Abdullah II Street - Fuheis- Jordan Tel : +962 6 4722033 Fax : +962 6 4722044 Email : commercial@ssem.co Subject : Work Statement Client : Arab Potash company Submit to : Procurement department Contract Opportunity : Rehabilitation OF APC Heliport SSEM Ref : 0723/MY/6/2023 Submitted By : Muiad Yacoub, Technical Bidding Manager Date : July 23rd , 2023 Specialized System for Electro-Mechanic Company. W.L.L. – Amman – Jordan Contents 1. Description of the Works ........................................................................................................ 3 2. Material and tools .................................................................................................................. 3 3. Reference ............................................................................................................................... 4 4. Scope of work details ............................................................................................................. 5 4.1. Site planning and preparation ................................................................................................ 5 4.2. Survey and generating of construction drawing ..................................................................... 5 4.3. Civil work (pavement rehabilitation and marking ) ................................................................ 5 4.3.1. Asphalt work ....................................................................................................................... 5 4.3.2. Pavement Markers and Paint.............................................................................................. 6 4.4. Construction of Civil infrastructure related to helipad lighting system details ...................... 6 4.4.1. Construction Of Type B Duct bank (2 inch) ......................................................................... 6 4.4.2. Construction of Type A Ductbank (2*4 inch) ...................................................................... 7 4.4.3. Manhole installation ........................................................................................................... 7 4.4.4. Shallow base installation..................................................................................................... 7 4.4.5. Construction of Wind cone foundation .............................................................................. 8 4.5. Electrical Installation Of Helipad Lighting System details ....................................................... 9 4.5.1. Main Distribution Panel installation details ........................................................................ 9 4.5.2. Cable pulling and connection .............................................................................................. 9 4.5.3. Light fixtures installation..................................................................................................... 9 4.5.4. Grounding ........................................................................................................................... 9 5. Health and Safety ..................................................................................................................10 A. Risk Assessment and Safe Work Method Statements .............................................................. 10 B. Protective and Safety Equipment ............................................................................................. 10 C. Safe Work .................................................................................................................................. 10 D. Site Safety Rules ........................................................................................................................ 10 E. Emergency Procedures ............................................................................................................. 11 F. Environmental ........................................................................................................................... 11 APPENDIX 1 - SAFE WORK METHOD STATEMENT ..........................................................................12 METHOD STATEMENT Rehabilitation of APC Heliport Page 2 of 15 Specialized System for Electro-Mechanic Company. W.L.L. – Amman – Jordan 1. Description of the Works This method statement outlines the procedures and steps to be followed during the rehabilitation of heliport, The objective is to ensure that the heliport will meets all safety and regulatory requirements, as per requested by contract document include but not limited to: 123456- 2. TLOF and FATO lights installation Flood lights installation Wind cone installation Earthing system Civil work (pavement rehabilitation and marking) Civil infrastructure (manholes, duct bank, concrete foundations) Material and tools A- Material: 1234567891011121314- 151617181920- 8” light bases & accessories TLOF light fixtures FATO light fixtures Flood lights Wind cone Electrical control panel 2*4 mm power cable 2 inch ,4 inch UPVC & Flexible pipe UPVC pipe cement Electrical warning tape Cable connecters 90*90 cm electrical reinforcement concrete manhole Static Grounding Air Craft Eyelet Grounding materials a. Bare copper wire 16mm² b. Bare copper wire 4 mm² c. ¾ inch earth rod, 3m length d. Exothermic weld Soft sand Bituminous prime coat MC-70 Bituminous Tack coat RC-250 Asphalt bituminous Wearing course Reflective pavement markers aluminum cat eyes (15*15) cm with flat reflective strip Thermoplastic reflectorized paint METHOD STATEMENT Rehabilitation of APC Heliport Page 3 of 15 Specialized System for Electro-Mechanic Company. W.L.L. – Amman – Jordan B- Tools And Equipment: 1- Set of hand tools, include but not limited to a. Cable Cutter b. Electrical Screw drivers, c. Cutting knife d. Hammer 23456789101112131415- 3. Asphalt paver Tandem roller bitumen spray tanker Dump Trucks Compaction Testing Equipment Sweepers Water Trucks Drill Electrical core machine Electrical Excavator electric generator Electrical AVO Meter Saw cut asphalt machine Angle grinder Reference - Contract Documents - Approved Design drawings - ICAO Aerodrome Design Manual Part 4 and part 5 - ICAO Annex 14 Volume II METHOD STATEMENT Rehabilitation of APC Heliport Page 4 of 15 Specialized System for Electro-Mechanic Company. W.L.L. – Amman – Jordan 4. Scope of work details 4.1. Site planning and preparation Prior to start any work activities at site the following will be checked: • All required gate/access passes for personnel and vehicle are complete. • Access is adequate and safe • There is adequate technicians labor for the size of the work • Adequacy of equipment and reliability • Provision of appropriate protective clothing • Weather conditions and likely protection measures required • Permit to work is obtained for the activity from relevant office, a copy of which must be kept on site • All working team are having a good knowledge for all electrical power cable at working site, 4.2. Survey and generating of construction drawing Preconstruction survey will be executed to generate a construction drawing and to identify the existing asphalt levels, location of light fixtures, manholes and duct banks any conflict between tender drawing and site condition Report include construction drawing (design/shop drawings) and detailed material list and data sheet will be submitted to employer engineer for approvals 4.3. Civil work (pavement rehabilitation and marking ) 4.3.1. Asphalt work The site execution method consists of the following method Milling Survey of existing asphalt shall be carried out prior to commencement of milling and excavation work ,use a milling machine for milling and excavate out of existing asphalt to required depth or as shown in the construction drawing ,the surface to receive a Bituminous prime coat MC-70 shall be cleaned free from dirt loose material and standing water Bituminous prime coat MC-70 Optional Item Supply and apply Bituminous prime coat MC-70 as required by contract document, curing time shall be not less than 3 days Bituminous Tack coat RC-250 All surfaces to be coated must be dry, swept clean, and free of oil, grease, rust, scale, loose paint and dirt, Supply and apply Bituminous Tack coat RC-250 with rate (1.25 Kg/m2) and as required by contract document, METHOD STATEMENT Rehabilitation of APC Heliport Page 5 of 15 Specialized System for Electro-Mechanic Company. W.L.L. – Amman – Jordan Asphalt bituminous Wearing course Spread the hot asphalt mix over the surface of tack coat by automatic asphalt paver as per necessary profile and thickness, contract limits and tests shall be achieved, compact the mix using tandem roller as soon as possible after spreading the material to reach 100% full compaction before the asphalt temperature reach to 80﮿C 4.3.2. Pavement Markers and Paint Reflective pavement markers aluminum cat eyes Supply and install of Reflective pavement markers aluminum cat eyes (15*15) cm with flat reflective strip as directed by employer engineer Thermoplastic reflectorized paint Supply and apply of Thermoplastic reflectorized paint as per construction drawing and manufacturer instructions 4.4. Construction of Civil infrastructure related to helipad lighting system details 4.4.1. Construction Of Type B Duct bank (2 inch) 1- 23- 4- Before starting of asphalt milling work ,2-inch duct bank shall be constructed, duct route will be identified by surveyor and marked using paint, construction of duct bank is outlined below step by step: Excavation excavation of a groove with dimensions (15 cm width and 30 cm depth) saw cut machine will be used to cut a vertical and smooth cut edges within an existing asphalt pavement electrical excavator will be used to excavate and removal of asphalt parts, all excavated loose material at the top level of the trench will be removed from the edge of excavation Sand bedding A minimum of 75 mm sand bedding layer will be provided before pipe installation conduits laying and jointed Before start of conduit laying trench will be checked for debris and clean it if necessary, then start laying of conduit make sure to keep the conduit in the center of the trench, at each light location a steel rebar will be used to Secure the conduits in place to prevent movement during backfilling. Backfilling Soft sand will be used for backfilling of the trench to the required level as per approved drawing, sufficient water will be poured to match required moisture content METHOD STATEMENT Rehabilitation of APC Heliport Page 6 of 15 Specialized System for Electro-Mechanic Company. W.L.L. – Amman – Jordan 4.4.2. Construction of Type A Ductbank (2*4 inch) Work will be executed step by step as detailed below: 1- Excavation Excavation area shall be surveyed and marked to the lines and levels as shown in the drawing, Excavate the trenches to the required depth (70cm below the ground level and 40-50cm width), 2- Trench cleaning and preparation Loose materials shall be removed and the area to be cleaned prior to start backfilling A minimum of 100mm sand bedding layer will be placed and leveled in the trench bottom Water shall be used for compaction of all fill materials within the area of excavation 3- Conduits laying and jointed Carefully lay and Positioning of 4-inch Conduits above the first sand layer, ensuring they remain straight and properly aligned, use a conduit spacer to maintain the required space between the conduits 4- Backfilling and counter poise installation Backfilling of the trench will be done in layers as below: First layer: Fill soft sand material with minimum 100 mm above the conduit, water shall be used for compaction of all fill materials, counter poise wire will be laid in the center of the trench and above this layer Second layer: use a selected excavated material to backfill the trench above the counterpoise wire, warning tape will be laid above this layer Final layer: selected excavated material will be used to finishing and leveling the trench 4.4.3. Manhole installation 1- Demarcate the locations and the finished grade level of the manholes by the surveyor 2- Excavate the designated areas for the precast manholes according to the approved drawings and specifications 3- Use a soft sand as a bedding layer to provide a stable and uniform support before offloading and positioning of precast manhole 4- Lower the precast manhole into the excavation, ensuring it is leveled and aligned as per construction drawings 5- Backfilling and compaction: backfill the space around manhole using selected excavated material place the backfill material in layers compacting each layers using the compaction equipment 4.4.4. Shallow base installation After finishing of the pavement work the shallow base installation will be started as detailed below 1- Light location must be accurately defined by a surveying team before any civil works start. 2- Coring: Cut a hole for a base By using a coring machine 3- Hole dimensions for Base 8”: Ø245-270MM , depth 300 mm METHOD STATEMENT Rehabilitation of APC Heliport Page 7 of 15 Specialized System for Electro-Mechanic Company. W.L.L. – Amman – Jordan 4- After breaking out the hole for the base, carefully clean and remove all gravel, sand or waste material to be able to reach the 2-inch conduit 5- Conduit connection: use a flexible pipe to connect the shallow base to the conduit 6- Positioning and leveling the shallow base in the center of the hole use a steel 7- Chanell to secure the shallow base to the ground 8- Grouting: follow the data sheet for mix ratio of the grout and use slow speed drill for mixing the components, Withing 15 minutes After mixing place the grout around the shallow base until it reached to the bottom entry, 9- Wait for 2 hours until the poured grout is cured then apply the second pouring to fill the spaces around the shallow base 4.4.5. Construction of Wind cone foundation Work includes: 1- Excavate the designated area for the wind cone foundation to the required depth and dimensions, following the approved drawings and specifications. 2- Ensure the bottom of the excavation is clean and properly compacted, Remove any debris or loose material from the excavation. 3- Place a layer of soft sand in the bottom of the excavation to provide a stable base for the foundation. 4- Install reinforcement (rebar or steel mesh) according to the project's design and layout requirements, ensuring proper positioning and clear cover to the reinforcement bars. 5- Erect formwork around the perimeter of the foundation using plywood. 6- Check the alignment and leveling of the formwork to ensure accurate dimensions and a smooth finish for the foundation. 7- Install an aligning the wind cone threaded rods 8- Before pouring concrete, thoroughly wet the excavation and reinforcement to prevent rapid moisture loss from the fresh concrete. 9- Pour the concrete into the formwork, avoiding segregation and ensuring consistent compaction, use vibrating equipment or rods to remove air voids and achieve proper concrete consolidation. 10- After pouring, finish the concrete surface to the desired level and smoothness. METHOD STATEMENT Rehabilitation of APC Heliport Page 8 of 15 Specialized System for Electro-Mechanic Company. W.L.L. – Amman – Jordan 4.5. Electrical Installation of Helipad Lighting System details 4.5.1. Main Distribution Panel installation details Install and commission main distribution panel, the MDP shall have a metal casing and be listed, certified, bus bar type, having a protective earth bus, rated IP66, outdoor type, and consist of 3 phase bars and one neutral block bar. Install Main circuit breaker 32A, 3 pole (MCCB) on the bus, single pole 20 A circuit breaker for each circuit branch, indication lights, push buttons, over load and contactor for each circuit branch, all circuit breakers shall be professionally labeled in printed English—not handwritten—on a protective cover installed flush with the circuit breaker switches. 4.5.2. Cable pulling and connection Layout and cable routes will be installed as shown in the construction drawing and layouts, rubber insulated cable (2*4 mm²) with secondary connecter kits designed for water tight will be used to supplies the power to the light fixtures , cable gel lubricant shall be used during the cable pulling, All cable shall be labeled with circuit name in the manholes at the end of installation 4.5.3. Light fixtures installation Refer to manufacturer installation manual to complete light fixture installation 4.5.4. Grounding The earthing rod ,and coper wires will be installed as per shown in the construction drawing the earth rods to be driven into the ground be means sledge hammer make sure the earth rod are coupled with coupling and driven stud before hammering as it will protect the thread or the head of the rod from damaged ,after the desired depth has achieved ,resistivity test shall be executed to make sure the required resistivity value has achieved , earthing wire will be connected to earth rod using exco thermal welding or clamp METHOD STATEMENT Rehabilitation of APC Heliport Page 9 of 15 Specialized System for Electro-Mechanic Company. W.L.L. – Amman – Jordan 5. Health and Safety Healthy and Recommendation form material manufacturer (Enclosed) to be applied during construction process, and our below H&S to be applied, A. Risk Assessment and Safe Work Method Statements A detailed risk assessment has been developed for each major activity on the project. B. Protective and Safety Equipment At all-time site personnel should be wearing overalls, high visibility vest and safety boots. Additional PPE should be worn as required, this includes: hard hat, goggles, dust mask, protection gloves, hearing protection. Visitors are allowed on site only when accompanied by project site personnel. All visitors must wear as minimum high visibility vest and safety boots. Other PPE should be worn as required. All delivery vehicle drivers must have the following Personal Protective Equipment available for use if his delivery task requires him to work outside: - Safety Helmet - High Visibility Vest - Safety Boot - Hand Gloves - Safety Glasses (where needed) - Dust mask (where needed) C. Safe Work • Installation and working will be by qualified personnel. • Turn off electrical supply before starting the work. • Check whether the working Area might interfere with other existing systems such as (cables, water pipes, communication cables…etc.) and take the necessarily action before starting the work. • Inspect all parts for damage prior to installation and Start-up. • Do not use unit if it has damaged wiring, is not working properly, or has been damaged or dropped. • Connect to properly grounded electrical supply with proper voltage as stated on rating plate before starting up any equipment. • Check the rating plate on the unit before installation to verify voltage shown is same as electric supply to the unit. Rating plate is located on top panel only. • Tampering voids all warranties. D. Site Safety Rules The following site safety rules should be adhered to at all times by both employees and visitors. - The jobsite normal working hours are 8:00am to 4:00 pm Saturday until Thursday. - Contractor shall keep record of its employees working on site. - Contractor shall take disciplinary action, including discharge against its employees for violations including but not limited to: METHOD STATEMENT Rehabilitation of APC Heliport Page 10 of 15 Specialized System for Electro-Mechanic Company. W.L.L. – Amman – Jordan • Refusing to work as directed • Excessive or chronic absenteeism • Consumption, possession of or being under the influence of drugs or alcohol on the site. - • Freighting, discrimination and horseplay on site • Disregards for Environmental, Health, Safety Rules • Theft of Employer’s, Engineer’s or other Contractor’s property • Gambling on site • Possession of deadly weapon(s) on site. • Damage, misuse/or unauthorized use of permanent plant or facilities • Unauthorized entry to site or site facilities Contractor shall comply with all requirements of the contractors approved Environmental, Safety and Health Programs. - Contractor’s employees shall be subject to Contractor inspection of all vehicles, tool boxes, carry boxes etc. before entering the site at the site. - Minors (under 18 year of age) will not be permitted on site. - Vehicles will be used on site will be companied with Escort. - All contractors shall ensure that all delivery vehicles entering the site have paperwork, such as delivery note collection note/off hire note, stating the purpose of the visit. It is in the interest of the Project and or services, a correct order number, name and or location is given at the time or ordering to ensure correct delivery of those goods, materials etc., and all likely losses are minimized or traced. E. Emergency Procedures In the event of an emergency, such as earthquake, fire, storms etc. all workers shall be evacuated and assembled at a secured area. In the event of an emergency, Contractor shall follow the Emergency Procedure as instructed by Safety Officer and main contractor safety instruction F. Environmental The management of environmental issues and promoting environmental awareness in the workplace is an integral and essential component of responsible site management. To minimize the environmental harm the site personnel must adhere to the following rules: - No burning of waste materials on site Disposal of rubbish only at approved location In the event of a spill, spilled materials to be removed as soon as possible All plant and equipment to be maintained in good conditions to ensure fuel emissions are minimized All plant and equipment to be maintained in good conditions to ensure noise emissions are minimized No release of chemicals or oil to the environment Reduce vehicle speed to minimize dust emissions METHOD STATEMENT Rehabilitation of APC Heliport Page 11 of 15 Specialized System For Electro-Mechanic Company. W.L.L. – Amman – Jordan Page 12 of 15 _____________________________________________________________________________________________________________________________________ NOTE: THIS DOCUMENT SHOULD BE ATTACHED TO THE METHOD STATEMENT. WHEN APPROVED IT MUST BE KEPT AT THE WORKING PLACE FOR REFERENCE PURPOSES Form: APPENDIX 1 - SAFE WORK METHOD STATEMENT Rehabilitation of APC Heliport Revision: Project: Rehabilitation of APC Heliport Client: ARAP POTASH COMPANY Main Contractor: Consultant: AGL Subcontractor: SSEM AGL Equipment supplier: Refer to material paragraph section 2 Position: SSEM Electrician installation supervisor and workers Scope of Works: 1. Setup at worksite 2. Work activities as per section 4 (Scope of work) Hazard Rating Grid Minimum PPE: Safety glasses, high visibility vest, long sleeved shirt, safety boots and hearing protection Training / Qualifications Required: • Project Induction • Relevant method statement Hazard Rating Assessment Likelihood Consequence A B C D E 1 1 2 4 7 11 Extreme Risk = 1 to 3 1 Almost certain A Catastrophic Fatality, huge $ loss 2 3 5 8 12 16 High Risk = 4 to 10 2 Likely B Major Extensive injuries / illness, major $ loss, 3 6 9 13 17 20 Medium Risk = 11 to 19 3 Possible C Moderate Medical treatment required, high $ loss 4 10 14 18 21 23 Low Risk = 20 to 25 4 Rarely D Minor First Aid treatment, medium $ loss 5 15 19 22 24 25 5 Unlikely E Insignificant No injury, minor $ loss Specialized System For Electro-Mechanic Company. W.L.L. – Amman – Jordan Page 13 of 15 _____________________________________________________________________________________________________________________________________ Controls Required Risk Rating Identify the hazards associated with each step. Consequence Break the job down into steps. Likelihood Use Hazard Rating grid What is needed to eliminate & control the potential for the identified hazard to ensure that injuries & incident are prevented Assess Control Action By Use Hazard Rating Person grid responsible Risk Rating Assess Risk Consequence Hazards Identified Likelihood Job Steps for implementin g controls 1. Pre -Commencement Works Setup at Worksites Muscle Injury due to excessive manual handling 3 B H • • • • Personnel hit by vehicle driving through work site. 2 Excessive dust generation 3 B H • • D M Assess the weight before lifting. Do not lift if item is too heavy. Manual handling by 2 men (min) if items are too heavy. Mechanical lifting to be utilized where necessary. Barricade work site using high visibility cones to prevent plant & equipment driving through. Wear PPE. • Nominate access routes for each work area and attempt to use existing haul roads / access tracks where possible. • Vehicle speed not to exceed 10km/h when driving. 4 C 4 B 4 D M M L All Employees Supervisors Supervisors Specialized System for Electro-Mechanic Company. W.L.L. – Amman – Jordan 2. working risks • • • • Only Skilled Operator to work on site Cable Jack to be properly placed. All other personnel to clear of the works. Wear appropriate PPE – safety goggles, safety boots, hearing protection. • • • Use a circuit breaker box for the electrical leads and ensure leads are elevated to avoid contact with water. Use competent operators with PPE (Gloves, Glasses). Only tagged equipment, signed and dated, to be used. Personnel injury 2 B H Electrocution 2 B H Eye Injury from flying debris 2 B H • Protective Eyewear to be worn at all times Hearing damage 3 C M • Hearing protection to be worn at all times whilst using drill if needed • At encounter with snake notify your supervisor immediately Do not touch, provoke or try to remove snake yourself Be mindful when opening pits or walking on grass area for presence of spiders / snakes Long sleeve shirt / long pants, safety shoes to be worn at all times Wear gloves when opening pits. Spider and Snake Bites 2 C H • • • • 4 B M All Employees 4 B M Operator 4 B M All Employees 4 C M All Employees 4 C M All Employees METHOD STATEMENT Rehabilitation of APC Heliport Page 14 of 15 Specialized System for Electro-Mechanic Company. W.L.L. – Amman – Jordan • Any changes to this document must be given a new review date • This SWMS must be communicated to and signed off by all workers at a Tool box meeting before works commence. • This SWMS Installation of Primary Cable, Connector and Series Isolation Transformer has been completed in consultation with employees undertaking the task. • The personnel named below have read and understood the risk control measures and responsibilities: Print Name: Company Name: Signatures: Date: METHOD STATEMENT Rehabilitation of APC Heliport Page 15 of 15