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AfDB Field’s Office in Abuja ‐ Nigeria
LEED Consultancy Services
Lot 1: Vol 5 ‐ Contractors’ LEED Requirements
Prepared by: SEEDS s.a.r.l / Apave Liban s.a.r.l.
For : Aim Consultants Ltd.
Date :
16/04/2013
Jisr El Bacha, Mkalles Main Street, Salibi Tower, 8th floor
P.O.Box 55-375 Sin El Fil Lebanon Tel +961-1-499998 Email [email protected] Website www.seeds-intl.com
Contractors’ LEED Requirements for AfDB NGFO – Abuja, Nigeria Page 2
Contents
1 Executive Summary .......................................................................................................................................................... 3
2 Construction Environmental Management Plans............................................................................................................. 4
2.1 Implementing the Erosion & Sedimentation Control Plan (ESCP) ........................................................................ 6
2.2 Implementing the Construction Waste Management Plan ................................................................................ 13
2.3 Implementing the Construction Indoor Air Quality Management Plan ............................................................. 17
3 Environmental Materials ................................................................................................................................................ 26
3.1 Environmental Materials Reporting Form .......................................................................................................... 26
3.2 MRc4: Recycled Content ..................................................................................................................................... 26
3.3 MRc5: Regional Materials ................................................................................................................................... 27
3.4 MRc6: Rapidly Renewable Materials .................................................................................................................. 27
3.5 MRc7: Certified Wood and IEQc4.4: Low-Emitting Materials – Composite Wood & Agrifiber Products (No
Added Urea Formaldehyde) ....................................................................................................................................... 28
3.6 IEQc4.1 & 4.2: Low Emitting Materials – Adhesives, Sealants & Paints ............................................................. 28
3.7 IEQc4.3: Low-Emitting Materials- Flooring Systems ........................................................................................... 29
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1 Executive Summary
The African Development Bank Group intends to construct an office building in Abuja, Nigeria in order
to carry out his field operations in that region.
The site chosen for this office building is located within the Central Business Area of Abuja, the Capital
of Nigeria. It lies along latitude 9 04” 02’ N and longitude 7 29” 12’ E, is about 7,600 m2 in area and is
situated between the “Silverbird” Galleria entertainment facility to the North West, and the petroleum
technology development Fund Building to the south.
The Bank’s owner is interested in certifying his building under the internationally recognized USGBC’s
LEED certification scheme, hence reaching a smart and Energy efficient project, equipped with the
latest energy saving technologies and water efficiency measures. This project would hence have lower
operating costs, an increased asset value, a healthy and more comfortable environment for occupants
and will be thus complying with EU Energy Performance Directive.
Accordingly, the General Contractor (GC) & all subcontractors will be required to assist the Project
Team of AfDB-NGFO in achieving this LEED certification for the project through handling roles and
responsibilities, implementing a series of Construction Environmental management plans as well as
selecting specified sustainable materials.
The following document details the LEED requirements and processes by which the contractors should abide and take into consideration throughout the project’s construction phase.
Those requirements are part of a series of prerequisites & credits listed as below:
Construction Environmental Management Plans:
- SSp1: Construction Activity Pollution Prevention
- MRc2: Construction Waste Management
- IEQc3.1 : Construction Indoor Air Quality Management Plan
Environmental Materials Selection:
- MRc4: Recycled Content
- MRc5: Regional Materials
- MRc6: Rapidly Renewable Materials
- MRc7: Certified Wood
- IEQc4.1: Low-Emitting Materials – Adhesives and Sealants
- IEQc4.2: Low-Emitting Materials – Paints and Coatings
- IEQc4.3: Low-Emitting Materials – Flooring Systems
- IEQc4.4: Composite Wood & Agrifiber Products
Tracking & Reporting Forms for different materials are also attached to this document.
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2 Construction Environmental Management Plans
The Contractor’s role is crucial as part of the LEED Certification process, and hence the implementation
of Environmental management plans should be set as a top priority in such a LEED-aiming project.
Descriptions of the key individuals with environmental responsibilities are described in the following
paragraphs.
- Contractor’s Project Environmental Manager
This manager would be responsible for coordinating and managing all the environmental activities
during the construction phase. He would carry out the following duties:
Review the CEMP, Construction Method Statements (CMS’s), work instructions (WIs) and
other specialist procedures.
Identify environmental competence requirements for all staff working on the project and
ensure delivery of environmental training to personnel within the project team.
Review and improve method statements for environmental aspects prior to work starting
Monitor construction activities performance to ensure that identified and appropriate
control measures are effective and ensure compliance with the CEMP
Act as main point of contact between the regulatory authorities and the project on
environmental issues
In conjunction with the site environmental representatives, overall monitoring of the
programme for the environmental works, and provision of status reports as necessary
Provision of advice and liaison with the construction teams to ensure that environmental
risks are identified and appropriate controls are developed and included within method
statements
Assistance in the development and delivery of environmental training for site personnel and
subcontractors
Liaison with the clients environmental manager
Liaison with the project’s public liaison officer
Management of the environmental monitoring programme, including noise, vibration and
dust and review of the routine reports
Environmental audit of subcontractors and suppliers
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- Contractor’s site environmental representative
The site environmental representative would report to the project environmental manager and would
be directly involved in managing and co-ordinating environmental activities on-site. These would
include:
Assist environmental manager in developing and maintaining the CEMP, CMS, WIs and
various registers and checklists
Monitor construction activities to ensure that identified and appropriate control measures
are effective and in compliance with the CEMP
Undertake weekly site inspections, initiate actions, complete a weekly environmental
inspection report
Maintain training register, identify training needs and provide training where required
Provide advice and assistance to site personnel on environmental matters
Assist site foreman in maintaining environmental records
Assist in investigating and resolving complaints
Undertake monitoring when required
Ensure correct procedures are followed in the event of an environmental incident
Dissemination of waste reduction and waste management procedures to all relevant
personnel on site
- Contractor’s site foreman
The foreman will report on environmental activities to the site environmental representative and will
be responsible for the following:
Implement and maintain environmental controls on site.
Attend to any spills or environmental incident that may occur on site.
Report any activity that has resulted, or has the potential to result, in an environmental
incident immediately to the site environmental representative/environmental manager.
Complete daily environmental log.
Maintain waste register and ensure
correct waste management procedures
are being implemented.
The line of responsibility for environmental
Management during the construction phase is
shown in the organization chart on the side.
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2.1 Implementing the Erosion & Sedimentation Control Plan (ESCP)
SSp1 – Construction Activity Pollution Prevention
1. Intent
The intent of this credit is to reduce pollution from construction activities by controlling soil erosion,
waterway sedimentation and airborne dust generation
2. Contractor’s Requirements
2.1 General Overview
Abide by the construction activity pollution prevention plan that describes the measures that shall be
implemented to accomplish the following objectives:
- Prevent loss of soil during construction by storm water runoff and/or wind erosion, including protecting topsoil by stockpiling for reuse.
- Prevent sedimentation of storm sewer or receiving streams. - Prevent polluting the air with dust and particulate matter.
2.2 General Strategy
Operators:
1. General Contractor: has control over the coordination, timing, miscellaneous construction, erosion control maintenance and oversight of project subcontractors.
2. Concrete Sub-contractor: has control over grading, footings, retaining walls and erosion control measure installation.
3. Fencing Sub-contractor: has control over temporary fencing
4. Landscaping Sub-contractor: has control over permanent landscaping, mulching & irrigation.
5. Sanitary Facility Sub-contractor: has control over temporary toilet sanitary facilities.
Intended sequence and timing of activities that disturb soils at the site:
1. Temporary silt fence installation 2. Sandbagging 3. Topsoil protection installation 4. Grading, stockpiling, and off-site cut removal
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5. Additional topsoil protection installation 6. Maintenance of erosion and sediment retention measures will continue throughout
construction until completion
Total area estimate expected to be disturbed by excavation, grading, or other construction
activities:
100% of the site area will be disturbed, which equals around 7,600 square meters.
Site map:
2.3 Control measures 2.3.1 Description of all pollution control measures (i.e., BMPs) that will be implemented as part of
the construction activity to control pollutants in storm water discharge, including the general sequence during construction in which the measure will be implemented, and which operator is responsible for its implementation:
1. Equipment maintenance and repair designated control area to be located within site by General Contractor prior to the start of each specific equipment phase of construction.
2. Waste receptacles at convenient locations to be located within site with regular collection of waste to be provided by General Contractor prior to the start of construction and maintained during construction by General Contractor.
3. Equipment wash down area to be located within site with appropriate control of washwater to prevent unauthorized dry weather discharges and avoid mixing with storm water to be located within site by General Contractor prior to the start of each specific equipment phase of construction.
Project Location
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4. Protected storage areas to be provided for chemicals, paints, solvents, fertilizers, and other potentially toxic materials to be located within site by General Contractor prior to the start of each specific equipment phase of construction.
2.3.2 Description of interim and permanent stabilization practices for the site, including a schedule of when the practices will be implemented. Site plans should ensure that existing vegetation is preserved where possible and that disturbed portions of the site are stabilized. Use of impervious surfaces for stabilization should be avoided:
1. Mulching: A temporary layer of watered hay, woodchips, watered straw, or gravel to be placed on all loose surfaces not draining to excavated pond to cover and hold soils. Mulching to occur immediately after grading operations, and maintained during construction.
Landscaping Sub-contractor is responsible for installation. General Contractor is responsible for
maintaining.
2. Permanent Seeding: Permanent and sustainable ground cover per landscape plan to be installed to stabilize the soil and reduce sediment runoff. Installation to occur after irrigation has been installed at the end of construction. Temporary control measures to be removed just prior to installation of permanent measures during dry weather conditions. Landscaping Sub-contractor is responsible for installation. General Contractor is responsible for maintaining.
3. Storm drain Inlet Protection: Sandbagging adjacent to drainage inlet to be installed & maintained by General Contractor.
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2.3.3 The following records must be maintained as part of the Stormwater Pollution Prevention Plan (SWPPP):
1. Dates when major grading activates occur
2. Dates when construction activates temporary or permanently cease on a portion of the site
3. Dates when stabilization measures are initiated.
2.3.4 Description of the structural practices to divert flows from exposed soils, retain/detain flows or otherwise limit runoff and the discharge of pollutants from exposed areas of the site. Placement of structural practices in floodplains must be avoided to the degree practicable:
1. Sediment Trap: A temporary pond area created by earthen embankments and sandbagging within a low lying area of the property away from construction activity to be created to collect and allow for the settling of sediment from stormwater volumes. Temporary pond will cover about 5% of the property during construction. Pond to be installed
immediately after grading operations and maintained during construction.
Grading Sub-contractor is responsible for installation. General Contractor is responsible for
maintaining.
2. Sandbag Dike: A Temporary berm of compacted and watered soil placed in a burlap tied bag and placed at perimeter locations of graded slopes where runoff would likely occur for areas other than those draining to excavated pond. To be installed immediately after grading operations and maintained during construction. General Contractor is responsible for installation. General Contractor is responsible for maintaining.
Sandbags
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2.3.5 Description of all post-construction storm water management measures that will be installed during the construction process to control pollutants in storm water discharges
after construction operations have been completed. Structural measures should be placed
on the upland soils to the degree practicable. Such measures must be designed and installed
in compliance with applicable local requirements:
Roof storm-water to be collected with filtered drains and directed to ground water recharge
areas with overflow directed to street gutter via gravity flow. Landscape storm-water to
sheet flow over pervious groundcover, with excessive water directed to filtered drains and
directed to street gutter via gravity flow. Uncovered parking area storm-water to be
directed to pervious surface areas for ground water recharge with overflow water directed
to filtered area drain and discharged to street gutter via gravity flow.
2.3.6 Description of measures to minimize, to the extent practicable, off-site vehicle tracking of sediments onto paved surfaces and the generation of dust.
A common problem area is offsite vehicle tracking. Vehicles entering and leaving the site
have the potential to track significant amounts of sediment onto streets. To minimize offsite
vehicle tracking of sediments, several measures shall be implemented at the site entrance:
• Removal of sand and rocks on the site access road • Fences at site entrance. • Purchase of a “brush-truck” to clean asphalt roads (inside and outside the site). • A rock construction exit can reduce the amount of mud transported onto paved
roads by vehicles. • Construction entrances are commonly made from large crushed rock or coarse
aggregate. They can be further stabilized using stone pads or concrete.
Construction Site Entrance made from coarse aggregate
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2.3.7 Description of construction and waste materials expected to be stored on-site with updates as appropriate, including a description of controls, including storage practices, to
minimize exposure of the materials to storm water, and spill prevention and response
practices.
• Isolate sites where chemicals, cements, solvents, paints, or other potential water pollutants are stored, so that they will not cause runoff pollution.
• Products will be kept in their original containers with the original manufacturer label. • These containers must never be in direct contact with the soil. • Store toxic chemicals and materials, such as pesticides, paints, and acids in
accordance with manufacturer guidelines. • Protect ground water resources from leaching by placing a plastic mat, packed clay,
tarpaper, or other materials on any areas where toxic liquids are to be opened and stored.
• Use and storage of pesticides during construction in accordance with manufacturer guidelines and with local, state, and federal regulations.
• Avoid overuse of pesticides that could produce contaminated runoff and take great care to prevent accidental spillage.
• Never wash pesticide containers
Products Storage
2.3.8 Descriptions of Measures to protect air quality and reduce dust and air pollution during construction
• Water sprays to treat excavated materials at major points of transfer (i.e. unloading onto conveyor belts or trucks). Water sprays shall be used on exposed soils and excavation to reduce dust.
• Dump trucks hauling loose material such as, but not limited to, sands, gravels, muck, excavation spoils and soils shall be covered with tarpaulins or other load covering
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that can be securely fastened and shall be equipped with tight fitting tailgates that can be securely fastened in the closed position and will not permit wet or dry materials being hauled to leak or trickle out.
• The Contractor shall implement appropriate measures to prevent deposition of material on public ways. Street sweeping service shall be provided as necessary to ensure that any material that is tracked onto public ways is immediately removed.
• Construction Site will be fenced to reduce wind-borne dust.
Silt Fence
2.3.9 Description of pollutant sources from areas other than construction (including storm water discharges from dedicated asphalt plants and dedicated concrete plants), and a description of controls and measures that will be implemented at these sites to minimize
pollutant discharges:
No other sources exist. 2.3.10 Description of On-site information display
Construction site signs will be provided to the extent necessary to have enough indications
about the different instructions presented in the plan. These signs are highly recommended
and must be written in English.
The signs may concern:
• Waste disposal areas and sorting instructions. • Construction materials and chemicals handling. • Cleaning and sweeping instructions (storage and disposal areas). • Banning of some practices in critical areas (burning, liquid waste disposal, toxic and
hazards materials disposal, pollutant washing...) • Indications about locations of specific areas
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2.4 Operators and Subcontractors training
Construction site operators’ training is required. Information sessions will be organized to
present the instructions about the respect of ESCP measures and daily practices on site.
• Subcontractors and contractors providing services on the project will be informed about the ESCP controls
• Operators are requested to provide directions to subcontractors even if they are not on the site every day
• Maintenance/inspection team will be formed to control, repair and improve the different measures in place during the construction phase
• One or more construction site meetings will be held with an explicit agenda item addressing ESCP.
2.2 Implementing the Construction Waste Management Plan
MRc2- Construction Waste Management
1. Intent
The intent of this credit is to divert construction and demolition debris from disposal in landfills and
incineration facilities, and to redirect recyclable resources for reuse.
2. Contractor’s Requirements
2.1 General Overview
Abide by the construction waste management plan that identifies the materials to be diverted from
disposal and whether the materials will be sorted on site or comingled. Excavated soil and land-
clearing debris do not contribute to this credit. Calculations can be done by weight or volume, but
must be consistent throughout.
2.2 General Strategy
Coordinate construction waste management activities from the onset of the project to ensure that recycling/reuse targets are met.
Designate a Recycling Coordinator (Site Foreman), an onsite party responsible for instructing the workers, overseeing and documenting results of the Construction Waste Management plan for the project.
Identify waste haulers and recycling facilities in the area.
Consult with the LEED Consultant to designate areas of the site to be reserved for waste collection. One waste dumpster is anticipated to be required, at any one time, during the course of the project. All construction waste will be commingled in the dumpsters to be sorted at an off-site facility.
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Divert materials, agreed upon with the LEED Consultant, from landfills.
Contractually require all subcontractors to comply with the CWM plan’s recycling/reuse/salvage requirements and consistently communicate diversion goals with all subcontractors & obtain verification records on a regular basis.
2.3 Waste Management Goals The AfDB NGFO project will divert at least 50% of all construction waste generated during construction from disposal in landfills and incinerators.
2.4 Diversion Measures and Waste Prevention
Construction of the project provides opportunity to divert waste and debris away from the landfill.
Every member of the on-site construction team will play an important role in achieving the project
CWM goal. Recyclable waste will consist of excess material due to trimming and modifying,
packaging of building products and daily life, and operations on the jobsite.
The list of materials the contractor should make accommodations to recycle includes, but may not
be limited to:
- Asphalt, - Concrete - Masonry - Metal - Wood - Drywall - Gypsum Wallboard - Carpet - Cardboard & Paper
Excavated soil, land-clearing debris and hazardous material will not be included in calculations for
the waste diversion.
Diversion measures: The contractor shall be responsible for implementing the following measures:
Designating an area on the construction site for one or more dumpsters.
Scheduling measures on site in case dumpsters are not needed all the time.
Requiring that recycling coordinators inspect all construction waste in the dumpsters before removal for compliance with CWM plan.
Requiring that wood-cutting occur in centralized locations to maximize reuse and make collection easier.
Ensuring that hazardous waste will be managed by a licensed hazardous waste vendor.
Making sure that C&D waste dedicated for recycling is not contaminated by other kinds of waste.
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Waste Prevention:
It is very important to prevent, as much as possible, the generation of new waste onsite during
construction. Contractor shall request that each major vendor cooperate in planning for minimal or
take-back packaging, and just-in-time delivery. Designated Recycling Coordinator shall be in charge
of coordinating this effort.
Documentation:
The Contractor shall hire a waste management company to sort recyclable material from landfill debris and to provide documentation for meeting LEED Credit MR 2.1. A sample construction waste management tracking form is provided here as an example of spreadsheets to be utilized.
Recycling Assessment Monthly Report Month:
Diversion/Recycling Materials Description
Diversion/Recycling Hauler or Location
Quantity of Diverted/Recycled Waste
Units (tons/cubic yards)
Concrete
Wood
Gypsum Wallboard
Metal
Crushed Asphalt
Masonry
Cardboard
Drywall
Carpet
Total Construction Waste Diverted
Landfill Materials Description
Diversion/Recycling Hauler or Location
Quantity of Diverted/Recycled Waste
Units (tons/cubic yards)
General Mixed Waste
Total Construction Waste Sent to Landfill
Total of All Construction waste
Percentage of Construction Waste diverted from Landfill
Waste hauler receipts, weight tickets from recycling companies, receipts from salvage companies or
material brokers, monthly recycling reports from recycling processing plants, manifests, invoices &
other relevant information will be used to complete the LEED-2009 Submittal Template form.
Monthly Waste Management reports will be submitted by the General Contractor at every other
progress meeting to update progress to the Owner, Engineer, and LEED consultant.
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2.5 Communication and Education Measures
Regular communication about CWM practices throughout the construction process is of crucial
importance.
Such provisions from the GC, with the assistance of the LEED consultant, should include:
Conducting an onsite, pre-construction meeting with subcontractors, where attendance is mandatory for the subcontractors’ key field personnel. The purpose of the meeting is to reinforce participants’ commitments to the project goals and requirements.
Specifying that waste prevention and recycling activities will be discussed at the beginning of each job meeting.
Hosting an orientation where the Recycling Coordinator gives each subcontractor a copy of the CWM plan, provides instruction in appropriate separation and handling procedures, and shows them the recycling areas.
Providing a list of acceptable/unacceptable materials for recycling or reuse and posting it on site.
2.6 Contamination Prevention Measures
Waste materials should be protected from contamination. GC shall provide best practice measures
for keeping materials destined for recycling and reuse free of contaminants and wet waste. Some of
these measures include:
Providing small roll-off sorting containers conveniently located in various work areas; these should be well-marked and kept clean to prevent contamination.
Making provisions for recycling containers to be labeled in English and Nigerian, with acceptable/unacceptable materials posted. Signage can show a representative picture of the materials to be recycled. Wet waste should not be introduced in the bins reserved for materials to be recycled.
Providing enough garbage containers for non-recyclable materials and locating them next to recycling containers.
If any containers are near the driveway, covering them securely when not supervised and taking precautions to deter any contamination by the public.
Designating a specific eating area onsite and prohibit eating elsewhere on the site.
Designating an area where hazardous wastes will be separated, stored, and disposed of, in accordance with local regulations.
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2.3 Implementing the Construction Indoor Air Quality Management Plan
IEQc3.1 – Construction Indoor Air Quality Management Plan
1. Intent
The intent of this credit is to reduce IAQ problems resulting from construction or renovation and
promote the comfort and well-being of construction workers and building occupants.
2. Contractor’s Requirements
2.1 General Overview
The strategy for achieving this credit is to adopt an IAQ Management Plan to:
- Protect the HVAC system during construction - Control pollutant sources - Interrupt pathways for contamination - Sequence installation of materials to avoid contamination of absorptive materials such as insulation,
carpeting, ceiling tile and gypsum wallboard.
2.2 General Strategy
Requirements of the IAQ Management Plan for the construction and pre-occupancy phases of the
project are as follows:
1. During construction, meet or exceed the recommended Design Approaches of the Sheet Metal and Air Conditioning National Contractors Association (SMACNA) IAQ guidelines for Occupied
Buildings Under Construction, 1995, Chapter 3.
2. Protect stored on-site or installed absorptive materials from moisture damage. Sources of moisture contamination include precipitation, air intakes, cleaning procedures, flushing procedures, testing procedures, leaks, etc. The approach for preventing moisture-related problems is to identify all sources of moisture and to
keep materials from getting wet. Porous or absorptive materials including insulation, ceiling tiles,
carpeting, etc. that become damp or wet will be dried immediately; and any of these materials that
remain wet or damp for more than 4 hours will be replaced with new materials. An exception to
this may be made at the owner’s discretion with respect to carpet tile. In this case, if found wet, the
carpeting may be re-used if it is immediately professionally cleaned, sanitized and vacuumed so
that it is dry within 4 hours of cleaning. Also, any materials found to have mold or mildew odors will
be replaced with new materials. This is the responsibility of All Contractors.
3. If air handlers must be used during construction, filtration media with a Minimum Efficiency Reporting Value (MERV) of 8 must be used at each return air grill, as determined by
ASHRAE 52.2-1999
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4. Replace all filtration media immediately prior to occupancy. Filtration media shall have a Minimum Efficiency Reporting Value of 13, as determined by ASHRAE 52.2-1999 for media installed at the end of construction.
5. Provide cut sheets of filtration media used during construction and installed immediately prior to occupancy with MERV values highlighted.
6. Provide photographs of construction IAQ management measures such as protection of ducts and onsite stored or installed absorptive materials.
2.3 Detailed Approach
2.3.1. HVAC Protection
a. The most significant potential IAQ contamination sources from construction are dust, moisture and Volatile Organic Compounds (VOCs). The approach for preventing dust-related problems is to identify all sources of dust and protect the HVAC systems. During construction, the return air system openings shall have temporary filters (min. MERV 8) that receive frequent periodic maintenance if the HVAC system is being utilized. When activities that produce high dust levels are occurring such as drywall sanding, masonry work, wood sawing, and insulating, the return system openings will be sealed off completely for the duration of the task. This activity is the responsibility of the General Contractor and subcontractors.
b. The use of ventilation systems and air movers during construction will be limited to 100% outside air (not re-circulating).
c. When the HVAC system is needed during construction operations, the supply system openings will be covered with a particulate filter to prevent dust migration back up the supply side. This activity is the responsibility of the General Contractor and subcontractors.
d. If the HVAC is not used at times during construction, the supply and return air system openings shall be sealed off to prevent the migration and accumulation of dust and debris in the duct system. The diffusers (if installed) should also be sealed with plastic and low adhesion masking tape. This activity is the responsibility of the General Contractor and subcontractors.
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e. Uninstalled ductwork and equipment must be stored away from dust-producing areas. Terminal units must be wrapped in plastic. Ducts sections must have ends capped with plastic. For installed ducts and equipment, provide protective caps at open ends. This is the responsibility of the Mechanical Contractor.
f. Filtration is critical during construction and during startup of the HVAC system. Filter media must meet the ASHRAE requirement for MERV Level 8. This is the responsibility of the Mechanical Contractor.
g. An HVAC system is determined to have excessive dust or debris when an accumulation of particles can be observed under (not on) diffusers, or ventilation is restricted. The General Contractor, Mechanical Contractor, Design Team and Bond Manager will monitor the condition of the ducts during the construction process by periodic inspection to ensure that they are kept clean. If the ducts are found to be contaminated due to inadequate protection, the ducts will be cleaned. The Commissioning Agent will have the final authority as to the determination of the presence of excessive dust or debris and the adequacy of any cleaning operations.
h. For documentation that the above guidelines are followed during the construction phase of the project, pictures will be taken bi-weekly by the General Contractor.
i. No storage will be allowed in any mechanical rooms in the building, and any of these rooms requiring access by the contractor will be kept neat and clean
j. Replace filtration media immediately prior to occupancy. See specification for requirements. This is the responsibility the Mechanical Contractor.
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2.3.2. Source Control
a. Use of low or no VOC products as indicated by the specifications will be utilized to reduce potential problems. This activity will be verified and checked by the General Contractor. Subcontractors are responsible for ensuring their products meet the requirements in the specifications.
b. During activities such as staining or finishing, large air movers (fans) shall be used to create immediate cross ventilation and constant fresh air.
c. No gasoline or diesel equipment will be permitted into the building. Any cutting, drilling, or other activity will be done with electric powered equipment or the machinery will be located outside away from any doors or operable windows in the area. Subcontractors will be responsible for coordinating these activities with the General Contractor.
d. No smoking will be allowed inside the building at any time. Subcontractors will be responsible for taking their smoke breaks when normal break times occur and then only off the building site.
e. Containers of wet products are to be kept closed when not in use.
2.3.3. Pathway Interruption
Measures shall be implemented to close or cover pathways between spaces through which
pollutants could travel.
Controlling Pollution at Entrances
Measures shall be taken to prevent pollutants from tracking
into interior spaces by workers or equipment. These will
include temporary walk-off mats and floor protection.
Protection of Stored Materials
Measures shall be taken to minimize dust accumulation on material surfaces and the absorption of
other pollutants by absorbent materials. The measures will include the following:
a. Materials will be handled and stored according to the manufacturer's recommendations.
b. Unwrapped absorbent materials will be shrink-wrapped if necessary.
c. Highly absorbent materials like duct liner, acoustic tile, carpeting, or insulation will be stored indoors in the original packaging, or covered and sealed.
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d. Moderately porous materials like gypsum board will be stored indoors, wrapped or away from dust and materials prone to off-gas VOC's.
e. Framing lumber will be stored indoors whenever possible. If stored outdoors, the lumber will be (1) covered with a water proof covering, (2) stored off the ground, and (3) located away from standing water.
f. Dense material like glass, metal framing, ductwork and equipment will be covered and kept dry.
g. If condensation forms on cold material, care will be taken not to expose it to dust or other particles. If exposed to pollution, housekeeping measures will be used promptly to clean the material before installation.
Protection of Materials During and After Installation
a. No materials intended for dry installation will be installed wet.
b. No materials will be stored in rooms containing air-handling equipment, other than materials intended for use there.
c. The IAQ Representative will determine appropriate measures to prevent water damage to materials not intended to be wet during construction, including temporary water barriers and/ or water stops.
d. Subcontractors are required to notify the IAQ Representative of any condition in which a material may be moisture damaged. The IAQ Representative will inspect the material and determine if it needs to be replaced.
e. Subcontractors who apply finishes without notifying the IAQ Representative of underlying water damage will be financially responsible for the cost of removing and replacing all affected materials, and of related work, including investigating for mold spores.
Preventing Contamination of Completed Areas from Work under Construction
When work is completed in an area, the area will be protected from pollutants generated in other
parts of the building still under construction. The following method of
pathway interruption will be used:
Establishing barriers between completed areas and areas still under construction
Where present, doors and windows will be closed and locked between completed portions of the
building and portions of the building still under construction. The closures will be further sealed
with tape, plastic sheeting and/or sealant, if necessary.
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Where there is no constructed barrier between the two portions of the building, a temporary
barrier will be erected to close in the smaller of the two spaces. The edge of the temporary barrier
will be taped continuously to ensure a tight seal, or even
caulked. The temporary barrier will be erected to withstand
pressure differentials between the two spaces. Elevators and
stairways that open onto both completed areas and areas still
under construction will have air lock vestibules at their entries
to the floor to prevent the passage of dust and other
contaminates by the stack affect.
After sealing the finished area off from the work area with a
barrier, the work area will be depressurized using exhaust
techniques.
The finished area will be pressurized in combination with de-
pressurizing the work area. This
will not be done when the finished area is undergoing flush-out.
2.3.4. Housekeeping:
a. Institute cleaning activities concentrating on HVAC equipment and building spaces to remove contaminants from the building prior to occupancy. All coils, air filters, and ductwork should remain clean during installation and should be cleaned prior to performing the testing, adjusting and balancing of the systems. This activity is the responsibility of the Mechanical Contractor.
b. The work area shall be vacuumed on a weekly basis, with a dual filter vacuum. This activity will be the responsibility of the General Contractor.
c. Suppress dust with wetting agents or sweeping compounds. Use an efficient and effective dust collecting method such as a damp cloth, wet mop, or vacuum with particulate filters. Activities which produce high dust levels shall be cleaned up immediately upon completion or at the end of each day of the relevant activity. This is the responsibility of all contractors.
d. Spills or excess applications of solvent-containing products must be removed immediately. This is the responsibility of The General - as well as all sub - contractors.
e. All walls will be dusted prior to application of finishes. This will be the responsibility of the Painting subcontractor.
f. All of the stud tracks are to be vacuumed prior to installation of insulation. This is the responsibility of the General Contractor.
g. Provide photographs during construction of the above activities to document compliance. This is the responsibility of the General Contractor to coordinate.
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h. Building materials shall be stored in a clean area prior to unpacking for installation.
i. Materials which become contaminated through direct exposure to moisture from precipitation, plumbing leaks or condensation shall be replaced.
2.3.5. Scheduling:
a. The primer and first coat of paint must be installed on all surfaces prior to the installation of carpet and ceiling tiles.
b. Only extremely low-VOC paint (5 g/L or less) may be installed after absorptive ceilings and floorings are installed.
c. All materials to be stained shall be stained off-site, with the exception of wood slat ceiling. Items to be stained on-site must be finished prior to installation of absorptive ceilings and floorings.
d. Move in will not occur until after Temporary Certificate of Occupancy (TCO) is achieved. Completion of punch list items which will not cause significant VOCs, dust or other contamination of the space may occur after occupancy only as necessary and as approved by the tenant.
2.3.6. Monitoring:
a. Monitoring of the IAQ Plan will be the responsibility of the General Contractor.
b. Contractor site coordination meetings are held weekly. At these meetings, the appropriate components of the IAQ Management Plan will be reviewed as a regular action topic and the implementation of the plan will be documented in the minutes of the meeting.
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A sample of the weekly checklist containing the different IAQ management tasks can be found
herebelow:
Week Date Task Description Responsible Party Status Date Photo
Taken
1
HVAC Protection
Source Control
Housekeeping
Pathway
Interruption
Scheduling
2
HVAC Protection
Source Control
Housekeeping
Pathway
Interruption
Scheduling
2.3.7. Flush-out:
a. At the owner’s discretion, the finished space may be flushed-out to remove remaining contaminants and ensure satisfactory indoor air quality. Any assistance the owner requires for these operations will be the responsibility of the General Contractor.
b. After construction ends, prior to occupancy and with all interior finishes installed, we will perform a building flushout by supplying a total air volume of 14,000 cubic feet of
outdoor air per square foot of floor area while maintaining an internal temperature of at least
60° F (15.5° C) and relative humidity no higher than 60%, OR
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3. CONCLUSION:
The construction process is traditionally an indoor air polluting activity and often results in the
contamination of buildings during construction as well as continued contamination after the building is
occupied. The HVAC systems are especially prone to contamination from construction particulate matter
that contains dust, VOCs, microorganisms and other contaminants.
These contaminants can remain in the HVAC systems for years after occupancy. This plan’s approach is to
identify and document activities present on our site and reduce IAQ problems from dust, moisture and
VOCs. Therefore, the strategies and activities outlined above in this plan minimize the construction
contamination prior to building occupation.
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3 Environmental Materials
The information below will guide the team through the steps for providing the required materials data
for documentation of LEED MR & IEQ credits. Tracking forms are for materials that are purchased and
used on-site and that contribute to the project’s LEED goals. It is the subcontractors’ responsibility to
transfer this documentation, which is crucial for demonstrating LEED compliance, to the general
contractor and project team.
In addition to the tracking forms, product cut sheets for all materials that meet the green building
performance criteria identified in the performance requirements, design requirements, or quality
assurance paragraphs of each specification section must be provided. Cut sheets must include the
contractor or sub-contractor’s stamp as confirmation that the materials have been installed in the
project.
For further explanation of requirements or definitions, please consult our company.
3.1 Environmental Materials Reporting Form
Multiple LEED credits are covered on this form, including Materials Reuse, Recycled Content,
Regional Materials, Rapidly Renewable Materials, and Certified Wood. For all materials included in
CSI specification sections 3–10, 31 and 32, please fill out the attached form (Environmental Materials
Reporting Form excel sheet) in its entirety and provide the total hard cost of each material (excluding
labor and equipment). In order to support the information documented in the tracking form, be sure
to include manufacturing and extraction locations and manufacturer’s data, and/or product
information confirming the product’s sustainable attributes (such as percentage of recycled content,
certifications).
*For material assemblies, the subcontractor must separate the component materials and determine
the recycled content of each individual component by weight.
3.2 MRc4: Recycled Content
This credit encourages selection of materials with significant recycled content. For all materials in CSI
divisions 3–10, 31 and 32, please complete the reporting form and indicate the value of the recycled
content (both pre-consumer and post-consumer) for each product. For material assemblies, the
recycled content shall be determined by weight. This weight is then multiplied by the total materials
cost to calculate the value of the recycled content.
Post-Consumer Recycled Content: End-use waste material that is generated by households or
commercial, industrial, and institutional facilities as a byproduct of consumption, which can no
longer be used for its intended purpose, and is therefore made into new products. Examples include
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construction and demolition debris, materials collected from curbside or drop-off recycling
programs, discarded products, etc.
Pre-Consumer Recycled Content: Material that is diverted from the waste stream during the
manufacturing process and used to make new products. Examples include planer shavings and
sawdust in pressboard, print overruns, slag and fly-ash in cement, etc. This is often referred to as
Post-Industrial recycled content.
Common Recycled Materials List – (recycled content varies from product to product)
3.3 MRc5: Regional Materials
This credit encourages the reduction of environmental impacts from transportation through the
selection of locally sourced materials, which are harvested and manufactured within 500 miles of the
project site. For all materials in CSI divisions 3–10, 31 and 32 indicate the distance (in miles) from the
harvesting and manufacturing sites to the project. For salvaged and recycled materials, the distance
from where the material was reclaimed and/or reprocessed is considered the harvesting location.
For example, for steel with recycled content used on a project, determine the distance from both the
manufacturing plant and the steel’s source location to the project site.
3.4 MRc6: Rapidly Renewable Materials
Rapidly renewable materials are agricultural in nature, take 10 years or less to grow to maturity, and
can be harvested in an ongoing and sustainable fashion. Examples of these materials include
bamboo, cork, linoleum, wheat board, agrifiber products, straw, cotton, natural rubber, and wool.
For all materials in CSI divisions 3–10, 31, and 32 indicate the percentage and cost of rapidly
renewable materials and provide a product cut sheet confirming the renewable content.
Steel MDF Ceramic Tile Insulation
Concrete Rubber Products Resilient Flooring Shingles
Acoustical Ceiling Tiles Metals Horizontal Blinds Composite Decking
Carpet Gypsum Wallboard Wall Panels Cement Fiber
Products
Homasote Board
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3.5 MRc7: Certified Wood and IEQc4.4: Low-Emitting Materials – Composite Wood & Agrifiber
Products (No Added Urea Formaldehyde)
These credits encourage environmentally responsible forest management through the selection of
wood-based products that are certified in accordance with the Forest Stewardship Council’s (FSC)
Principles and Criteria. For all wood materials used on this project, please indicate whether or not
they are FSC-certified, whether the wood is a composite material and/or contains any added urea-
formaldehyde, and provide the FSC Chain-of-Custody certification number. Many composite woods
contain small amounts of added urea-formaldehyde. These credits stress selection of composite
woods that contain no added urea-formaldehyde and use at least 50% (based on cost) FSC-certified
wood products.
3.6 IEQc4.1 & 4.2: Low Emitting Materials – Adhesives, Sealants & Paints
Volatile organic compounds (VOCs) are air contaminants that can be odorous, irritating, and/or
harmful to building occupants. ALL field-applied adhesives, sealants, paints, and coatings identified in
the specifications (including those related to MEP work) that are within the weatherproofing system
must comply with both the VOC limits outlined in the specifications and the referenced standard
(SCAQMD Rule #1168).
The VOC reporting form (attached in excel format) must be completed for all of
the above mentioned materials, indicating the VOC content in grams per liter. A
copy of the product’s Material Safety Data Sheet (MSDS) should also be
included. Please check the corresponding VOC limit list for various applications.
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3.7 IEQc4.3: Low-Emitting Materials- Flooring Systems
Please complete the VOC reporting form for all flooring systems used
on this project by indicating whether the carpet installed meets the
requirements of the Carpet and Rug Institute Green Label Plus
Program and whether the carpet cushion meets the requirements of
the Carpet and Rug Institute Green Label Program. Indicate also
whether the flooring (non-carpet flooring) installed meets the
requirements of FloorScore, the South Coast Air Quality
Management District (SCAQMD) Rule #1113, Architectural Coatings,
or SCAQMD Rule #1168.
These requirements are also set forth in the specifications. Finally, provide a compliant statement
(e.g., MSDS or product cut-sheet) verifying that the flooring systems meet these requirements.
Thank you for your cooperation and attention to the project’s LEED goals.
PROJECT NAME: AfDB-NGFO CONTRACTOR: (provide cut sheets for the data below)SPEC SECTION:CONTACT NAME: TEL NO: SUBMITTAL NO:
REQUIRED for ALL products identified
in Specs CSI 2004 Divisions 3–10,
31.60 Foundations, 32.10Paving, 32.30 Site
Improvements, and 32.90Planting. MEP excluded.
Total Material Cost (excl. labor & equipment)
% post-consumer
% pre-consumer
% New Wood
% Certified
Wood
FSC Tracking:
COC #
Urea Formaldehyde in composites
(Y/N)Harvest:Manufacture:Harvest:Manufacture:Harvest:Manufacture:Harvest:Manufacture:
1 Salvaged: Material or product which has been recovered from existing buildings or construction sites and reused in other buildings (e.g., structural beams, doors, brick).2 Post-Consumer Recycled Content: Portion of material or product which derives from discarded consumer waste that has been recovered for use as a raw material (e.g., plastic bottles, newspaper).
Pre-Consumer Recycled Content: Portion of material or product which derives from recovered industrial and mfg. materials that are diverted from municipal solid waste for use in a different mfg. process, prior to use by a consumer (e.g., fly-ash in
concrete or synthetic gypsum board, both of which are by-products of coal-burning power plants). Note that spills and scraps from the original mfg. process that are combined with other constituents after a minimal amount of reprocessing for
use in further production of the same product do not qualify.3 Regional Materials: Materials are considered regional if harvested AND manufactured within 500 miles of the project site. Materials can travel more than 500 miles, provided materials always remain within a 500 mile radius of project site.
For salvaged/recycled materials such as steel, you do not need to provide the original harvesting location, but rather the location the steel was sourced from. Distances are as the crow flies, not actual miles traveled via surface transport.4 Rapidly Renewable: Materials and products made from raw materials that are harvested within a 10-year cycle (e.g., bamboo, cork, linoleum, fast-growing poplar, wheatboard, wool carpet)5 FSC Certified: Wood-based products which are certified by the Forest Stewardship Council and carry a Chain-of-Custody certificate number from the vendor or manufacturing.
Composite Wood & Agrifiber Products: Any wood based products must not contain added urea-formaldehyde.
CONTRACTOR CERTIFICATION:I, ________________________________________ a duly authorized representative of______________________________________________ hereby certify that the material information contained herein is an accuraterepresentation of the material qualifications to be provided by us, as components of the final building construction. Furthermore, I understand that any change in such qualifications during the purchasing period will requireprior written approval from the Construction Manager and Owner.
SIGNATURE OF AUTHORIZED REPRESENTATIVE: _____________________________________________ DATE: ____________
LEED - Environmental Materials Reporting Form
Product Name Vendor or Manufacturer
Percentage of Product
that is rapidly
renewable4
4
3
2
1
Recycled Content2
(for concrete, useseparate form)
Location and distances from manufacturing point to project
site AND raw material harvesting point to project site
(miles)1
For all wood-based productsPercentage
of the product
salvaged, refurbished or reused1
PROJECT NAME: AfDB-NGFO CONTRACTOR: (provide cut sheets for the data below)SPEC SECTION:CONTACT NAME: TEL NO: SUBMITTAL NO:
VOC content 1Corresponding
LEED (grams per liter) VOC limit
123456789
101112
1 VOC: Volatile organic compound which vaporizes into a gas at normal room temperatures and is emitted during the use, application, curing, or drying of an adhesive, sealant, paint, or coating product (excludes methane, carbon monoxide, carbon dioxide, carbonic acid, metallic carbides or carbonates, ammonium carbonate, and other exempt compounds).2Submit backup documentation from manufacturer indicating VOC content of the product, defined in either grams per liter, or lbs. per gallon (e.g., MSDS sheet, Product Data Sheet)3Refer to the 2nd & 3rd sheet in this excel file for applicable VOC limits and chemical component limitations for adhesives, sealants, paints and architectural coatings.
CONTRACTOR CERTIFICATION:I, ________________________________________ a duly authorized representative of______________________________________________ hereby certify that the material information contained herein is an accurate representation of the material qualifications to be provided by us, as components of the final building construction. Furthermore, I understand that any change in such qualifications during the purchasing period will require prior written approval from the Construction Manager and Owner.
SIGNATURE OF AUTHORIZED REPRESENTATIVE: _____________________________________________ DATE: ____________
LEED - VOC Reporting Form
Green Label/Green Label
Plus/FloorScore certified
carpet/flooring
Product type or application
Product name Vendor or Manufacturer
Greenguard or SCS Certified (Y/N)
(provide certificate): Systems Furniture and Seating Only
REQUIRED for ALL field-applied adhesives, sealants, paints & coatings identified in Specs (including those related to MEP
work)
Backup documentation 2