CONTRACTOR SITE SAFETY PROGRAM Expand Dhahran Residential Community Residential Area - Package -4
BI No. 10-01382
CONTRACT NO6600034661 NO6600034661
S10. SCAFFOLDS AND LADDERS
Date: 5 May 2018
CSSP C N - 6600034661
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CONTRACTOR SITE SAFETY PROGRAM Expand Dhahran Residential Community Residential Area - Package -4
BI No. 10-01382
CONTRACT NO6600034661
Mobile Scaffold Towers
All mobile scaffold towers are to be erected in accordance with the manufacturer's instruction and a copy of this must be held available for inspection by the HSE site Team, prior to any use on site. Additionally, all towers are to be erected, by competent persons, complete with access ladder, safety rails and kick boards whatever the height. Mobile scaffolds will have wheels locked when scaffolds are in use. Under no circumstances will mobile scaffolds be moved when personnel are working on the working platform. Overhead hazards must be taken into account when moving mobile towers this is especially important when pipe work has been installed. Care must be taken when working near support rods hard hats must be warn at all times. Scaffolding This section provides guidance in the selection, erection, alteration and dismantling of scaffolds. Scaffold will be used during retaining wall construction. Scaffolding works for Home Ownership project shall be in compliance with GI 8.001. General Requirements Components
CRCC shall comply with any system of scaffolds used on site that shall be from a SA approved system scaffold manufacturer. Scaffolding shall be inspected by SA certified Scaffold supervisor / inspector as appropriate, and all scaffolds shall be properly tag. Components shall be inspected before each use. Components shall be free from defect or damages. Damaged scaffold components shall be painted with bright orange and shall be removed from the site.
Date: 5 May 2018
CSSP C N - 6600034661
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CONTRACTOR SITE SAFETY PROGRAM Expand Dhahran Residential Community Residential Area - Package -4
BI No. 10-01382
CONTRACT NO6600034661
Scaffold components from dissimilar manufacturer shall not be mixed unless components are compatible. Components shall be properly stored and not expose to acid or other corrosive substances. Scaffolding shall be erected by competent workmen possessing adequate experience and qualifications of such work. An experienced scaffold supervisor shall supervise the erection. Scaffolding shall be erected in line with the relevant OSHA Standards and legislative requirements.
Scafftag System A “Scafftag” comprises a plastic holder, with a 50mm diameter hole, which can be threaded on to a scaffold tube and built into a scaffold structure. The holder is marked red-do not use scaffold. A green/yellow insert is then used to indicate a safe scaffold and the date of inspection.
Scaffold under construction, alteration or Display RED status deemed unsafe Display GREEN (YELLOW) Scaffold complete, inspected (reverse detail completed) Weekly inspection - status safe As 2 above Weekly inspection - status unsafe
Display RED (Insert removed)
Scaffold Handover
Display RED, New user inspects as in 2 above
Date: 5 May 2018
CSSP C N - 6600034661
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CONTRACTOR SITE SAFETY PROGRAM Expand Dhahran Residential Community Residential Area - Package -4
BI No. 10-01382
CONTRACT NO6600034661
CRCC will ensure that safe and defined access is provided to all work areas. Ladders and scaffold materials shall confirm to the applicable standards and the same can be inspected on the monthly basis and recorded. Forms 10005 & 100027 will be used to control and monitor scaffolding on site.
Scaffold component specification
Scaffold tubing to be used in the project shall conform to any of the following: ASTM 500 EN 39 / BS 1139 EN 10219 Scaffold couplers shall conform to EN 74 or Platforms Scaffold planks shall be of solid wood planks, laminated veneer lumber (LVL), fabricated platform, or fabricated planks. Solid sawn wood scaffold plank shall be 2 X 10 inches (nominal), 2 X 9 inches (rough). LVL scaffold planks shall be 1 ½ inches thick and 9 inches wide. LVL scaffold planks shall bear the marks of: “Proof Tested”, “Scaffold Plank” and “OSHA” Month and year of manufacture. Name or mark of the Product Certification body. Registered product mark/ brand.
Date: 5 May 2018
CSSP C N - 6600034661
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CONTRACTOR SITE SAFETY PROGRAM Expand Dhahran Residential Community Residential Area - Package -4
BI No. 10-01382
CONTRACT NO6600034661
Scaffold planks shall:
Not be split more than 25mm (1 inch without metal banding and not be split over 300mm (12 inches) even with metal banding. Not twisted from end-to-end or curled from side-to-side more than 13mm (1/2 inch). Not be painted or coated. Be properly stacked above ground. Not be used as sills, concrete forms, or shoring timber.
Signs and Warnings
Safety signs and warning signs shall be posted around the erected scaffold to notify personnel of the work above. Barriers shall be installed to prevent access of personnel under the scaffolding.
Scaffolding Requirements Capacity
Scaffold shall be capable of supporting its own weight and at least four times the intended load. Light duty scaffold shall be designed and rated for 120 kg/m2. Medium –duty shall be designed and rated for 240 kg/m2. Special-duty shall be designed and rated for more than 240 kg/m2.
Foundation
Scaffold foundation shall be plumb and capable of supporting the weight of scaffold and the maximum intended load. Sole boards or timber sills at least 225 mm (9 inches) wide by 38 mm (1 ½ inches) thick shall be used to distribute the load on sand, made-up ground, asphalt, wooden floors and other soft surface. Scaffold post shall be pitched on steel base plates at least 150 mm (6 Inches) X 150 mm (6 inches) and 6 mm (1/4 inch) thick.
Date: 5 May 2018
CSSP C N - 6600034661
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CONTRACTOR SITE SAFETY PROGRAM Expand Dhahran Residential Community Residential Area - Package -4
BI No. 10-01382
CONTRACT NO6600034661
Screw jacks shall be used to adjust and compensate for variations in ground level. Jacks shall not be adjusted to more than 2/3 of the total length of the threaded section. Drums, concrete hollow blocks, tiles or wooden boxes shall not be used to support a scaffold. Scaffolds shall not be lifted by crane unless it is designed to be lifted and the scaffold plan approved in accordance with GI 8.001.
Fall protection
Scaffold erectors shall wear at all times during the execution of their work a full body harnesses with shock absorbing lanyard. Lanyards shall be properly anchored whenever they are not protected by a guardrail and where the possibility of falling more than 1.8 m (6 ft) is present.
Guardrail system
Complete guardrail system consisted of top-rail, mid-rail and support uprights shall be installed in all open ends of a scaffold where personnel could fall 1.8 m (6 ft) or more. Top rail shall not be less than .95 m (38 inches) and not more than 1.15 m (45 inches) above the platform. Midrails shall be installed half way between the top rails and the platform. Vertical support uprights shall not be spaced more than 2.5 m (8.2 ft) apart. Guardrail system shall be capable of supporting without failure, a force of at least 90 kg applied in any direction. Complete guardrail system shall be erected whenever the horizontal distance from the edge of the scaffold or landing to the face of the wall is more than 360 mm (14 inches). Should erection of guardrail system is not applicable, personal fall arrest systems shall be used and scaffold shall be tagged yellow.
Falling Object Protection System
Toe boards shall be installed along the edges of scaffold platforms and landings that are more than 1.8 m (6 ft) above a lower level, unless personnel access to the lower level is physically prevented.
Date: 5 May 2018
CSSP C N - 6600034661
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CONTRACTOR SITE SAFETY PROGRAM Expand Dhahran Residential Community Residential Area - Package -4
BI No. 10-01382
CONTRACT NO6600034661
Toe boards shall be at least 100 mm (4 inches) high and 25 mm (1 inch) thick. It shall be securely attached in place along the outermost edges and shall not have more than 6 mm (1/4 inch) clearance from the surface of the platform. Toe boards shall be capable of supporting without failure, a force no less than 23 kg in any direction. Protective screen of a minimum No. 18 gauge wire with a maximum 13 mm (1/2 inch) mesh shall be installed where a possibility of materials falling out of the guardrail is present.
Scaffold platform
Scaffold platform shall be closed planked or decked as fully as possible. Planks shall be secured at both ends. Planks shall extend at least 150 mm (6 inches) beyond the centerline of their end support, unless cleared or secured. Planks shall not extend more the 300 mm (1 ft) beyond the centerline of their support. Planks shall overlap only in their supports. Overlap length shall not be less than 300 mm (1 ft). Gaps on planks shall not be more than 25 mm (1 inch) wide. Planks shall not be nailed together.
Access and egress
Scaffolds more than .6 m (2 ft) above a point of access shall be used. The maximum horizontal travel distance on a scaffold platform to the nearest exit shall not be more than 15 m (50 ft). Maximum vertical clearance or headspace above scaffold platform and landings shall be 1.8 m (6 ft).
Stability
Erected scaffold shall be plumb, square and vertically braced in both directions to prevent swaying. Scaffolds in the process of erection shall bear the RED scaffold tag. Ties shall be connected to building or existing structures which area capable of supporting the load. Tue connections shall be made with right angle (double) couplers.
Date: 5 May 2018
CSSP C N - 6600034661
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CONTRACTOR SITE SAFETY PROGRAM Expand Dhahran Residential Community Residential Area - Package -4
BI No. 10-01382
CONTRACT NO6600034661
Personnel
Only trained and competent scaffold erectors are allowed to erect, alter or dismantle a scaffold. Scaffold erection, alteration or dismantling shall be performed under the supervision of a SA certified scaffold supervisor. Supervisor shall sign the appropriate scaffold tag fit for the scaffold. RED
YELLOW
GREEN
Only authorized scaffold erectors are allowed to use and only for the purpose of erection, alteration or dismantling
Workers are allowed to work provided full body harnesses are used and anchored at all times. Scaffold is not complete with guardrail system.
Workers are allowed to use scaffold. Scaffold is safe to use.
SA certified scaffold inspector shall conduct inspection and affix his signature together with the scaffold supervisor on appropriate scaffold tags for all s pecial scaffolds and scaffolds that are 6 m (20 ft) high or more.
Inspection
Scaffolds shall be inspected by SA certified scaffold supervisor /inspector as appropriate and all scaffolds shall be properly tagged Inspection shall be conducted every 14 days or when site condition changes. Required alteration shall be done to improve safety and stability of the scaffolding.
Date: 5 May 2018
CSSP C N - 6600034661
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CONTRACTOR SITE SAFETY PROGRAM Expand Dhahran Residential Community Residential Area - Package -4
BI No. 10-01382
CONTRACT NO6600034661
Scaffold erection, alteration or dismantling for the RHDC project shall be performed and shall comply with the SA GI 8.001 and the SA Scaffold Safety Handbook.
Ladders and Step Ladders This section describes the safety procedures for the use of portable ladders. General Requirements
All ladders used in the construction site shall meet applicable ANSI or EN standards including proper labeling and marking. Portable ladders shall be rated capable to support at least four times the maximum intended load. Ladders shall be maintained in good condition at all times and inspection shall be conducted in a regular basis. Damaged or defective ladders shall be removed immediately from the site. All ladders shall not be painted or coated.
Safe Positioning Requirements
Straight ladders and extension ladders shall be placed at a slope ratio of 4 vertical to 1 horizontal and shall be secured at the top by use of clamps or ties. If securing is impractical, stationing personnel at the base to hold the ladder is required. Ladders shall extend at least 1 m (3 ft) above the landing surface to which that ladder is used. Bases of ladders shall be on a firm level surface. Ladders shall not be allowed to stand on boxes, drums and other movable materials. Ladders shall not be used horizontally as walkway.
Date: 5 May 2018
CSSP C N - 6600034661
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CONTRACTOR SITE SAFETY PROGRAM Expand Dhahran Residential Community Residential Area - Package -4
BI No. 10-01382
CONTRACT NO6600034661
When ladders are used in areas where it presents hazard to other employees, ladders shall be barricaded or personnel shall be stationed to notify or prevent employees from getting into contact with the ladder. When ladders are used near doors and other access, the door shall be either locked closed or in the open position with a personnel stationed to prevent employees from using the door.
Ladder Usage
Appropriate ladders shall be used according to the purpose and potential hazards of the task. Metal ladders shall not be used when working on or near energized electrical equipment. Workers using ladders shall ensure that ladder rungs and their shoes are free from grease, oil or mud that can cause slipping. Only one person is allowed to be on a portable ladder. Personnel shall face the ladder and maintain three point contact at all times while using the ladder. Hands shall be free of tools or other materials while climbing the ladder. Tools shall be carried on pockets or on special tool belts. Full body harness shall be used by employees if work is to be performed while standing on a ladder where a fall distance of 1.8 m (6 ft) is possible. Full body harness shall be properly anchored. If the use of personal fall arrest system is impractical, employee shall maintain three-point contact at all times while at work. Job made ladders shall not be used on scaffolds.
References SA GI 8.001, Safety Requirements on Scaffolds SA CSM SA Scaffolds Safety Handbook Date: 5 May 2018
CSSP C N - 6600034661
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