DLBA RR Project Manual UPDATES (4).pdf

Detroit Land Bank Authority

Renovation Project Manual

March 7, 2025

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Contents

DIVISION 00 – PROCUREMENT AND CONTRACTING REQUIREMENTS

000000 Refer to Request for Proposal and Contract Documents

DIVISION 01 - GENERAL REQUIREMENTS

001010 Overview

001020 Schedule – General Contractors

001030 Contractor Pre-Bid Site Visit

001040 Verify Quantities and Measurements

001050 Code Compliance

001060 Interpretations

001070 Substitution of Materials

001080 Utilities

001090 Security

001100 Window/Door Guard Coordination

001110 Removal of Debris and Final Clean-up –Contractor

001120 Removal of Debris and Final Clean-up – Cleaning Contractor

001130 Project Closeout Procedures

001140 One Year General Warranty

001150 Hazardous Materials

001160 Temporary Fencing

001170 Payment Procedures

001180 Contract Modification Procedures

001190 Project Management, Coordination and Clarification

001200 Unit Prices

001210 Portable Toilets

DIVISION 02 – EXISTING CONDITIONS

002010 Demolition and Debris

002020 Concrete Removal

002030 Fences and/or Gates

002040 Stripping Interior Surfaces

002060 Milk Chute

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002070 Garage and/or Accessory Structure Removal

002080 Chimneys

DIVISION 03 – CONCRETE

003010 Driveways and Walks

003020 Porch Steps, Caps and Foundation Walls

003030 Passive Radon Vent

DIVISION 04 – MASONRY

004010 Tuckpointing

004020 Brick Masonry Repairs

004030 Chimneys

DIVISION 05 – METALS

005010 Wrought Iron / Aluminum Railings

DIVISION 06 – WOODS, PLASTICS AND COMPOSITES

006010 Basement Stairs

006020 Main Stairs

006030 Particleboard Components

006040 Sub-Flooring

006050 Exterior Decks, Wood Porches, and Steps

006060 Carpentry

DIVISION 07 - THERMAL AND MOISTURE PROTECTION

007010 Shingle Roofing

007020 Roof Vents

007030 Vinyl Siding

007040 Roof Flashing

007050 Rim Joist Insulation

007060 Insulation

007070 Air Sealing

007080 Damp-Proofing Foundation Walls

007090 Sealants and Caulks

007100 Gutters and Downspouts

DIVISION 08 – OPENINGS

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008010 Exterior Doors and Frames

008020 Metal Garage Doors

008030 Interior Doors

008040 Windows and Hardware

008050 Glass Block

008060 Wood Windows

008070 Steel Windows

008080 Attic Access

008090 Security Doors

DIVISION 09 - FINISHES

009010 Drywall

009020 Mold and Moisture Resistant Drywall

009030 Ceramic Tile

009040 Carpet

009050 Painting

009060 Repair Wood Flooring

009070 Sanding and Refinishing

009080 Wood Floor Finish

009090 Transitions

009100 Tiled Backsplashes

DIVISION 10 – SPECIALTIES

010010 House Numbers

010020 Accessories

010030 Dehumidifier

010040 Rain Barrel

DIVISION 11 – EQUIPMENT

011010 Appliances

DIVISION 12 – FURNISHINGS

012010 Cabinetry

012020 Countertops

DIVISION 22 – PLUMBING

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022010 Wall, Floor and Ceiling Plates

022020 Water Heater

022030 Hose Bibbs

022040 Fixture Requirements

022050 Drain, Waste, Vents

022060 Basement Perimeter Drains

022070 Sump Pumps

022080 Water Service Line Repairs

022090 Water Supply Piping

DIVISION 23 - HEATING VENTILATING AND AIR CONDITIONING

023010 Furnaces

023020 Duct Sealing

023030 Humidifier

023040 Bathroom Exhaust Fans

023050 Dryer Vent

DIVISION 26 – ELECTRICAL

026010 General

026020 Doorbell

026030 Exterior Light Pole

DIVISION 32 - EXTERIOR IMPROVEMENTS

032010 Fences and Gates

032020 Lawns

032030 Seed Lawn

032040 Sod Lawn

032050 Tree Trimming and Stump Removal

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DIVISION 00 – PROCUREMENT AND CONTRACTING REQUIREMENTS

000000 Refer to Request for Proposal and Contract Documents

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DIVISION 01 - GENERAL REQUIREMENTS

001010 Overview

Project

The project, as defined in the Agreement and the applicable Scope of Work, consists of exterior and interior repairs and/or modifications necessary to provide a "quick turnaround" of residential properties either to return them to a habitable condition or to prepare them for final renovation, as set forth in the applicable Scope of Work.

Site Supervisor Capacity

Contractor must provide a site supervisor/manager for each project. A site supervisor/manager can only be assigned to manage 3 Full Rehabs (or 5 partial rehabs) at the same time.

001020 Schedule – General Contractors

The DLBA requires all Contractors to complete the Services and Scope of Work by the completion date provided in the Agreement, and failure to do so is subject to the penalties set forth in the Agreement.

The DLBA will schedule a pre-Notice to Proceed (NTP) meeting to conduct an on-site inspection of the project area, comprehensively assess the full scope, and proactively address any potential challenges that may arise. If unforeseen elements emerge during the pre-Notice to Proceed meeting, the contractor may submit a change order for proper review and consideration.

Following the approval of any necessary change order, the DLBA will promptly solicit the contractor to furnish all estimated start and completion dates to the PM via email within

14 days of receiving the request. Subsequently, the DLBA will issue the Notice to Proceed

(NTP) to the contractor a minimum of three (3) days ahead of the agreed-upon start date for each phase.

Contractor shall have access to the property between 7:00AM and 6:00PM, from Monday through Saturday, to complete work.

Schedule – Trade Service Providers

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The DLBA will schedule a pre-Notice to Proceed (NTP) meeting to conduct an on-site inspection of the project area, comprehensively assess the TSP scope, and proactively address any potential challenges that may arise. If unforeseen elements emerge during the course of the project, the contractor may submit a change order for proper review and consideration.

Following the approval of any necessary change order, the DLBA will promptly solicit the contractor to furnish a start date to the PM via email, which must be communicated within a maximum of five (5) days from the date of the request.

For the duration of the project, the contractor shall be granted access to the property between the hours of 7:00 AM and 6:00 PM, from Monday through Saturday, to effectively carry out their work.

001030 Contractor Pre-Bid Site Visit

Contractor is strongly urged to inspect the interior and exterior of the property.

Dimensions given are approximate. Contractor is strongly urged to conduct a pre-bid inspection to field-verify all measurements and dimensions. The DLBA’s acceptance of a bid will be based upon the assumption that the Contractor has completed this visit and no change orders will be entertained based upon information that could have been ascertained during that visit.

001040 Verify Quantities and Measurements

All measurements provided by the DLBA (i.e., LF, SF of drywall) are for Contractor's convenience. All dimensions given are approximates. No claim for changes in the price due to discrepancies in measurements or quantities will be honored if they were not submitted as part of the Contractor’s initial proposal.

001050 Code Compliance

In the execution of the Services and the Scope of Work, Contractor shall facilitate inspections and comply with all applicable laws, rules, regulations, codes and ordinances of the City of Detroit, The County of Wayne, the State of Michigan, and the Federal government, including but not limited to building construction, zoning, historic preservation, environmental protection, energy efficiency and worker safety.

All DLBA homes must be up to current building code, as evidenced by approved permits from the City of Detroit’s Buildings, Safety, Environmental and Engineering Department (“BSEED”). This includes compliance with:

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• 2015 Michigan Building Code

• 2015 Michigan Residential Code

• 2015 Michigan Rehabilitation Code for Existing Buildings

• 2015 Michigan Energy Code

Contractor shall apply for, pay for, obtain, and forward copies of all required permits.

001060 Interpretations

Oral proposals or modifications to the Scope of Work will not be considered unless confirmed in writing before the time set for the termination of the bidding, by utilizing the DLBA’s Alternative Product/QTY Template. Should any Contractor-bidder find any discrepancies in the work description, drawings, or standards, or be in doubt as to their meaning, they shall at once notify the DLBA who will issue an interpretation thereof.

Written instructions will be sent to all bidders.

001070 Substitution of Materials

No substitution of specified material(s) shall be permitted without the prior written authorization of the DLBA. Any request for substitution of materials must be submitted in writing along with all pertinent information to the DLBA for approval prior to installation.

001080 Utilities

Active gas, electric and water service may not be available when the Notice to Proceed is issued. If electric service is not immediately available, Contractor shall submit change order covering the cost of using a portable generator and/or propane heater until services are made available.

The Contractor is responsible for fulfilling each utility’s requirements to allow for the activation of services. Once all requirements are met, the Contractor shall make a request to the DLBA to activate these utilities. The DLBA shall be responsible for having all utilities (gas, water, and electricity) turned on at the property. The DLBA will be responsible for the payment of all charges made by the utility companies during construction.

001090 Security

Electrical Panel

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• There should be dedicated outlets in the basement and first floor for the alarm installation and wi-fi hotspot connection.

Exterior Door Installation:

• At exterior door, at least one screw at each door hinge shall be 3-inches long (use distinguishing color).

• All doors are installed with a Strike Master plate.

• All back and side doors shall be installed with a security door with SmartKey technology. All locks shall be keyed alike.

• One-way, 3-inch screws shall be used on all security doors (use distinguishing color).

• Security doors deadbolts should be keyed on both sides during construction. At project close, thumb-turn should be delivered to the DLBA for installation.

• One door shall be designated as active. All remaining doors shall remain inactive and shall be barricaded.

• Wood or metal barricades shall be installed at both the top and bottom of doors to prevent kick-ins.

Alarm Installation:

• Power, Windows, and Doors must be adequately installed.

• Exterior Lighting must be installed at all exterior doors and at rear yards. If power is not available, install temporary solar powered lights with photocell.

• There should be dedicated outlets in the basement and at the 1st floor for the alarm installation and wi-fi hotspot connection (send picture with request).

• Hardwires for doorbells at front and side doors shall be installed with rough electrical.

Hardwires will be use by the Alarm Company to install doorbell cameras.

• The Alarm Company employed directly by DLBA will make sure all motion detectors and doors are responding adequately while they perform the alarm installation.

The following will be observed at ALL times:

• Alarm system control panels and sensors shall always remain in place. If a panel or sensor must be temporarily removed to accommodate work, contact the DLBA. The contractor will be charged for all broken or lost sensors.

• Alarm smoke detectors are sensitive to dust and paint particles. Install protective coverings to avoid false alarms. If necessary, contact the DLBA so that the system can be placed into Test Mode. The contractor will be charged if the police or fire department are dispatched to the property due to a false alarm.

• If Contractor or any sub-contractor removes any Secure View at any time, they must reinstall it before the end of the workday AND inform the Contractor’s site supervisor to inspect the re-installation.

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• Mark panels before removing to insure they are reinstalled at the proper location.

▪ If the window or door size will be changed such that the existing Secure View will not be able to be reinstalled, the Contractor must advise the DLBA 48 hours in advance, prior to removing the Secure View for “new” window and door installation, so the DLBA can submit a Secure View work order to be scheduled before the existing Secure View is removed. .

▪ If DAWGS is installed, the Contractor will need to advise the DLBA 48 hours in advance so an up/down service can be requested.

• Any sign of unauthorized entry, theft or attempted entry must be reported to the

Contractor’s site supervisor before any activity is allowed to take place by Contractor or any sub-contractor at the property. The Contractor shall immediately report this to DLBA, including pictures of damages.

• No uninstalled product should be visible from the outside of the structure. This includes covering basement windows if products (mechanicals included) are in the basement.

• No empty product boxes will be left visible – including in the dumpster.

• No house or garage keys are to be left onsite at any time. No lockboxes are to be used.

• Every day, the last contractor to leave must ensure:

▪ All tools and materials are out of view.

▪ All interior lights are turned off.

▪ The exterior porch light is turned on.

▪ The thermostat is properly set.

o If wintertime, 55 degrees.

▪ Every window is closed and locked.

▪ The entry door is closed and locked.

▪ All door barricades are set in place.

▪ The alarm is set.

• As part of its usual construction inspections, the DLBA Security Team will check the property daily and any findings will be reported to the Property Rehabilitation Team.

Breach in Security

The DLBA will not be responsible for loss of Contractor, subcontractor or any of their agents or employee’s equipment or materials. It is the Contractor’s responsibility to secure their own and their subcontractor’s materials and equipment.

In the event there is a security event, DLBA’s Security Consultant should be immediately contacted. Contact information will be made available during the pre-Notice to Proceed meeting.

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001100 Window/Door Guard Coordination

Contractor should submit a request via Smartsheets prior to window installation, so the metal DAWGS can be removed, and Secure View installed.

001110 Removal of Debris and Final Clean-up –Contractor

The contractor shall keep the premises and surrounding area free from accumulation of waste materials or rubbish caused by construction operations.

• The contractor to provide daily cleanup of the site.

At the final clean-up of a property, the Contractor shall:

• Not leave food inside the home.

• Remove all protective floor covering prior to final inspection.

• Provide final cleaning after receiving notification from the DLBA that all Punch List items have been completed and accepted by the DLBA.

• Clean all concrete slabs, porches, and sidewalks of any adhering plaster, or concrete. Rake all yards and remove any accumulated debris.

• Place all downspout extensions so that they extend at least 3 feet from the building.

• Remove all trash, dirt, dust, and debris remaining on the premises.

• Provide two new furnace air filters (extra for homeowner).

• Clean dehumidifier filter.

• Clear condensation pump if equipped on furnace.

• Remove waste materials, debris, and rubbish from the premises, and legally dispose of it away from the site.

• Remove any paint spatters or putty marks remaining on any glass, with razor blades.

• Carefully remove all dirt and stains from the ceramic tile. Remove paint spatters with a razor blade. Difficult to remove cement film on the grout, can be cleaned with TC-50 Ceramic Tile Cleaner or an approved equal, and a nylon scrubbing pad, or stiff brush. An acid solution shall not be used for washing ceramic tile.

• Cover the floors, in all finished rooms, with heavy non-staining building paper

AFTER the final inspection. The Contractor SHALL NOT TAPE building paper to any surfaces.

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• A scrap piece of carpet or building paper shall be placed at the entrances to eliminate the tracking of dirt, dust, or other foreign matter onto the finished surfaces.

001120 Removal of Debris and Final Clean-up – Cleaning Contractor

The Cleaning Contractor shall:

• Clean built-in appliances, both inside and out, of all residues.

• Clean aluminum windows, doors, storm doors, and screens not already cleaned, with plain water, or a non-phosphate detergent.

• Wash all glass, both inside and out.

• Polish all mirrors.

• Clean lighting fixtures as follows:

• Wash exterior and interior surfaces of glassware.

• Clean electrical face plates, and door chimes.

• Carefully remove all dirt and stains from the ceramic tile.

• Thoroughly clean and polish all plumbing fixtures.

• Clean all laminated plastic surfaces with a cleaner approved for laminated surfaces.

• Wipe clean all shelving and cabinet work (inside and out) in the closets, kitchens, and other rooms. Remove all debris from the drawers and storage bins.

• Clean concrete basement floors, remove paint, plaster, or other foreign materials that have dropped onto, and/or spattered the surfaces.

• Clean all wood, and resilient floors, and apply a coat of wax. Clean all carpeted floors with a vacuum cleaner.

• Wipe down toe kicks on the steps.

• Clean walls as needed.

• Remove trash produced during cleaning from the premises and legally dispose of it away from the site.

001130 Project Closeout Procedures

Operating and Maintenance Manual

Organize and submit to the DLBA, with submission of the final invoice, a binder containing warranties, operation, and maintenance manuals.

Plumbing Systems Test

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The contractor shall be required to wet test all plumbing systems at the expected working pressure of the system after all repairs and or replacements have been made and prior to the ordering of inspections. Evidence of this test shall be submitted to the DLBA.

Gas Line Pressure Test

Cap all gas lines prior to filling the distribution system with 120lbs of compressed air.

Maintain pressure for 24 hours. Locate and seal any leaks in the system. Evidence of this test shall be submitted to the DLBA.

Sanitize and Clean Duct Work

Clean all existing supply and return ductwork and grilles. Apply negative air pressure to prevent airborne particles from blowing out vents. Use high compressed air to clean registers and an air whip to clean ductwork. Apply antimicrobial treatment to all ductwork to deodorize and inhibit growth of bacteria, mildew, and mold. The contractor shall provide proof of service from a professional duct cleaning service to DLBA.

Chimney Cleaning

If fireplace is to remain, scrub the inside of all unpainted fireplaces with an acid bath.

Clean all surfaces, brickwork, stonework, tile, etc.

Pest Control

Seal all cracks, holes and crevices on interior surfaces and exterior surfaces with low VOC caulks to prevent access by pests. Cover all pipe penetrations with escutcheon plates. All escutcheon plates shall be installed tight, caulk if necessary.

Key Turn-Over

All exterior doors and security doors shall be keyed alike. Include any garage, gate and/or mailbox keys. One set of keys shall be provided to the DLBA with the submission of the final invoice.

Project Assessment Process

• Each awarded project will have an assessment score within 30 days of project completion.

• Contractor needs to maintain an average score of 60 to be able to bid on full rehabs. Anything less, Contractor can only bid on partial rehabs until average score is back at 60.

• This score is being generated and averaged over the last five projects (if

Contractor has undertaken fewer than 5 projects, the DLBA will only count those that have been completed).

• Points will decrease by 5.

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• All Contractors will start at 0. Current DLBA General Contractors will not be graded on any work they’ve done under previous Agreements.

Evaluation Criteria & Description Points

Timeliness Determined by their ability to adhere to the timelines and milestone completion dates set at the beginning of the project.

60 pts (Max) by estimated completion date

Communication The proper utilization of our communication systems, providing estimated start and completion dates via email or by using forms/documents provided, responding to emails within a reasonable timeframe.

20 pts (Max)

Quality Based on the number of Punch List items.

20 pts (Max) 10 items of less (GC) 5 items or less (TSP)

001140 One Year General Warranty

Contractor shall execute the one-year Warranty Letter attached to this Agreement and deliver it to the DLBA with the final invoice. Further, Contractor shall furnish the DLBA with all manufacturers' and suppliers' written warranties covering items furnished under this Agreement prior to release of the final payment.

001150 Hazardous Materials

DLBA contracts for any necessary abatement of asbestos-containing materials “ACM” from the property prior to the Contractor receiving a Notice to Proceed (“NTP”). A post-abatement clearance will be obtained by the DLBA. All Contractors are required to have an asbestos awareness certificate to be able to recognize ACM. If ACM is found after the

NTP is issued, Contractor is NOT TO DISTURB THE ASBESTOS, but rather shall notify the

DLBA immediately.

The DLBA requires all Contractors to use the EPA’s Lead Renovation, Repair and Painting

(RRP) Rule throughout the entire construction period and obtain a clearance at the end of construction to ensure the property is safe for occupancy.

001160 Temporary Fencing

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The contractor shall provide temporary fencing as selected by the DLBA at the front of the property. Fencing shall prevent access to the property by the public. Fencing shall be maintained by the Contractor and removed upon completion of the final inspection.

001170 Payment Procedures

All payments will be made via ACH wire. In addition to submitting the required Financial

Forms, an EFT form will also be required to be on file with the DLBA.

All invoices should be submitted using the DLBA’s Smartsheet Contractor Invoice form.

001180 Contract Modification Procedures

Change Orders

If unforeseen conditions require modifications to the Scope of Work, the DLBA will review the condition with the Contractor. If the DLBA agrees that the condition could not have been identified at the time of the initial site review, the DLBA will authorize the Contractor to submit a request for a change order for official approval. The request shall include:

• A statement outlining the reasons for the change.

• The effect of the proposed change on the final project cost.

• The effect of the proposed change on the estimated completion date.

• A list of quantities of products required and/or eliminated.

• Unit costs, with total amount of purchases and credits to be made.

Contractor will submit a Change Order Request for DLBA review using the DLBA’s Smartsheet Contractor Change Order form. The DLBA will review all Change Order Requests within 7 days.

001190 Project Management, Coordination and Clarification

Questions/Clarification Needed During Construction

Requests for Information (RFI)

Immediately on discovery of the need for additional information or interpretation of the Scope of Work, Contractor shall prepare and submit an RFI to the DLBA using the DLBA’s Smartsheet Contractor Request for Information (RFI) form. The DLBA will review each RFI, determine any action required, and respond. The DLBA will respond to each RFI within 7 days.

Project Meetings https://app.smartsheet.com/b/form/d4428a00a7034b8da6186d67c8ed84cf https://app.smartsheet.com/b/form/749dd16b64e94f2eb57f0a4de1ee51fc https://app.smartsheet.com/b/form/2bca38d480274422a457a19d7db32c80

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Progress meetings will be held weekly. Representatives of the Contractor and the DLBA shall attend. Contractor’s estimated completion date shall be updated at each meeting.

001200 Unit Prices

Unit price is a price per unit of measure for materials, equipment, or services, or a portion of the Work. The unit price is used with a quantity to calculate the amount added to or deducted from (I.e., a Change Order) the Contract Amount by appropriate Change Order modification.

All unit prices that add to or deduct from the final project cost shall be taken from RSMeans Residential New Construction cost data from Gordian or the Craftman Book Company’s National Renovation & Insurance Repair Estimator for the current year.

RSMeans is a widely recognized provider of construction cost data and estimating services in the United States. The company was founded in 1946 and has since become an industry standard for construction professionals looking for reliable, accurate, and up-to-date cost data.

Their labor rate is derived from various sources, which can be viewed here.

• Repair Remodeling Labor Rates

• Open Shop Labor Rates

• Standard Union Labor Rates

• Residential Labor Rates

The Craftsman Book Company (originally Cal Pacific Builders (1952-1953)) developed from a partnership between a construction contractor and licensed civil engineer. The first Craftsman book, California Home Estimator, was published in 1953. Since that time, Craftsman has published hundreds of technical and professional references for the construction industry. Their labor rate is usually consistent with union labor wages, more info can be viewed here.

001210 Portable Toilets

Contractors shall provide one standard portable toilet at each project site beginning with the Notice to Proceed. If the contractor The contractor to provide daily cleanup of the site. is working on more than one site, provide one portable toilet for groups of properties located on the same block. Portable toilets shall include toilet paper and hand sanitizer dispensers. Contractors shall maintain and service portable toilets until the project closes out.

https://drive.google.com/drive/folders/1Jw4QS9kwIX-EyWPS12u9qMXnA0GX-IMp?usp=share_link http://craftsman-book.com/products https://drive.google.com/drive/folders/1Jw4QS9kwIX-EyWPS12u9qMXnA0GX-IMp?usp=share_link

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DIVISION 02 – EXISTING CONDITIONS

002010 Demolition and Debris

The contractor shall comply with the governing EPA notification regulations before beginning selective demolition. The contractor shall comply with all applicable hauling and disposal regulations. Remove demolished materials from property and legally dispose of them in an EPA-approved landfill. Do not allow demolished materials to accumulate onsite.

The demolished material(s) shall be placed in neat piles and stacks while awaiting disposal. Debris shall be removed from the property as accumulated so that the property will not acquire a disorderly or unsightly appearance. Any debris must be removed prior to the final inspection and all areas shall be left in a neat condition. Contractors shall always take the necessary precautions to minimize annoyance to the surrounding community.

Walkways shall be maintained on the sidewalk in front of the property during construction.

002020 Concrete Removal

Cut or break up and remove concrete slab, footings, walls, drives or walks as scheduled to a depth of 12 inches below grade. If no replacement is scheduled, backfill to existing grade. The entire 12-inch depth shall be topsoil. Reseed the area when the weather conditions permit.

002030 Fences and/or Gates

When scheduled to be removed, sections of fence and gate shall be removed complete with post. Concrete footings shall be removed to a point at least 4 inches below the finish grade. All open postholes shall be filled with topsoil and compacted, and the entire area shall be raked clean and left in a neat condition.

002040 Stripping Interior Surfaces

Strip finish materials from floors, walls and/or ceilings. Use cutting methods least likely to damage construction to remain or adjoining construction. Use hand tools or small power

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a) Remove lath without loosening studs. including drywall, plaster, lath, and plaster base (aka wood grounds).

b) Remove finish floor surfaces including carpet, vinyl, floating wood flooring or tile from scheduled floor area. Original hardwood to remain. Remove all tacks, nails, staples, tackles edging, padding and cushions from the floor area. Clean up surface sufficiently to allow the underlayment or new finish to be applied in a level, smooth and neat manner. Underlayment shall be removed only when specifically called for in the Work Schedules.

c) Remove window frames without loosening masonry sills and jambs.

d) Remove door and window frames from deteriorated or unsound masonry openings with care. Brace existing masonry to prevent further damage to masonry and masonry lintels.

e) Remove all existing unused joists, studs, framing, nails, hooks, wire, and other extraneous items. Provide a clean, substrate for new construction.

f) Take care not to damage existing stair components, fireplace mantels or noted historic materials scheduled to remain.

g) Disconnect, demolish, and remove all plumbing equipment, and components.

Items include but are not limited to:

a. Plumbing fixtures

b. Supply and waste lines

c. Hose bibs

h) Disconnect, demolish, and remove all electrical equipment, and components.

Items include but are not limited to:

a. Light fixtures

b. All interior and exterior wiring

c. Electrical panels

d. Exterior meter box(es)

e. receptacles and switches (include associated boxes)

f. Telephone, cable and other low voltage wiring

g. Satellite dishes and associated equipment

h. Alarm system panels and associated equipment

i) Disconnect, demolish, and remove all HVAC equipment, and components. Items include but are not limited to:

a. radiant heat fixtures

b. radiant heat piping

c. boilers

d. furnaces

e. ductwork

f. registers diffusers and grilles

g. exhaust fans

j) All windows and exterior doors to remain.

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002060 Milk Chute

Refer to Scope of Work to determine if Milk Chute is to remain in place or be removed.

Removal

The contractor shall remove the existing milk chute system completely, including stone or brick sills, and brick or block up opening. Brick shall be laid in a full bed of Portland

Cement mortar with 3/8-inch to 1/2-inch joint per course. Strike all new joints and clear off excess mortar from face surfaces. Installation of brick/block shall be installed to run true and level with face surfaces to blend with existing surfaces. Key in and match the existing brickwork with brick that is similar in color, style, and texture.

Remain-in-Place Make the exterior door operational. Prep interior to accept electrical junction box for future car charging receptacle. Air seal and insulate opening from interior. Interior opening may be removed and covered to match adjacent surfaces. Use joint compound.

Allow joint compound to dry completely then lightly sand the area until smooth.

“Feather” edges onto the surrounding wall surface. Prep wall for painting by wiping away dust.

002070 Garage and/or Accessory Structure Removal

Should removal of a garage or accessory structure be required, Contractor shall take the following steps:

a) Remove existing wiring or utilities as necessary tying off at established service connections.

b) Remove all debris from the site promptly.

c) The slab shall remain and shall be properly protected from damage during the removal work. Contractor shall replace slabs damaged by the Contractor at their own expense.

002080 Chimneys

Where the chimney is abandoned, remove the entire chimney to underside of first floor.

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DIVISION 03 – CONCRETE

003010 Driveways and Walks

All driveways and walks shall be free of cracks or trip hazards. Where an approach and/or portions of the public sidewalk are to be replaced, a permit from DPW must be provided to the DLBA before beginning work.

Sub-grade shall be well compacted, well drained sand base, uniformly graded 4 – 6 inches below finish grade. New concrete shall be a minimum of 4 inches thick except that concrete at curb and sidewalk crossings shall be 6 inches thick. Finish surfaces shall receive a light brush finish and provide for uniform surface drainage. Concrete shall meet City of Detroit requirements.

Where a driveway or walk fills the space between existing abutting masonry or concrete, suitable expansion joints of 1/2-inch thickness shall be provided between new walks and slabs, or other rigid structures. Expansion strip material used shall be pre-molded resilient bituminous fiber and shall be of sufficient depth to separate the newly placed concrete from the abutting slab, masonry, or structure.

003020 Porch Steps, Caps and Foundation Walls

Repair/Replace cracked and/or damaged concrete porch steps, caps, and foundation walls.

Repair cracks at porch stoops, steps, and caps greater than 3/16 inch in width or 3/16 inch in vertical displacement using a durable and suitable concrete repair material.

Feather out and slope repair material at vertical displacement locations for smooth transition.

003030 Passive Radon Vent

Where the entire basement slab must be replaced, install piping for future Radon passive vent. Install a 6" PVC Tee connected to a 4" PVC pipe in the stone base below the new basement slab. 4" PVC pipe shall terminate 6" above finish floor and be capped.

Vapor barrier between the stone and the concrete should be carefully sealed to the pipe. Coordinate location with DLBA.

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DIVISION 04 – MASONRY

004010 Tuckpointing

Tuckpoint all joints and cracks from which mortar has eroded, deteriorated, or fallen out.

Remove all loose and disintegrating mortar from all defective joints to a minimum of 1/2 inch, or until a sound surface is reached. Clean out with water pressure. Tuckpoint joints with a non-shrinking cement mortar the full depth of joint. New mortar to match the permeability properties of original construction and shall not be less permeable than adjacent masonry; material and mix ratios to be reviewed by DLBA prior to installation.

Strike and tool the joint to reasonably match existing mortar. Clean all fresh mortar from brick face. The appearance of the mortar used for tuckpointing shall match the color and aggregate size of the existing mortar. Remove all excess mortar. Badly spalled, deteriorated, or broken brick shall be replaced with similar brick, that is to be approved by DLBA prior to installation. Do not apply to frozen or frost filled masonry.

If tuckpointing is specified at a property within a local historic district, follow technical guidelines in U.S. Department of Interior’s Preservation Brief 2, Repointing Mortar Joints in Historic Masonry Buildings.

004020 Brick Masonry Repairs

Replace missing or damaged brick.

Before any masonry restoration and cleaning work is started, the contractor is to review the scope of work in the field with the DLBA to determine exactly what is to be completed and to get approval of the methods and materials to be used in the work.

Cleaning Existing Masonry Removal methods may include water washing, solvent cleaning, and steam cleaning.

In all cases, the method to be employed is to be reviewed with the DLBA for prior approval. Sandblasting shall not be used. Pressures in power water washing shall not exceed 1500 lb./square inch.

If masonry cleaning is specified at a property within a local historic district, follow

Masonry Cleaning Guidelines established by Detroit’s Historic District Commission.

004030 Chimneys

Provide chimney caps at all chimneys designated to remain.

https://www.nps.gov/tps/how-to-preserve/preservedocs/preservation-briefs/02Preserve-Brief-MortarJoints.pdf https://www.nps.gov/tps/how-to-preserve/preservedocs/preservation-briefs/02Preserve-Brief-MortarJoints.pdf https://detroitmi.gov/sites/detroitmi.localhost/files/2018-11/Masonry%20Cleaning%20Guideline1.pdf

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For chimneys designated to remain, provide for a specialized subcontractor to inspect the condition of chimney. Inspect chimney liners, ash pit cover, damper, and damper chains. Provide report to the DLBA.

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DIVISION 05 – METALS

005010 Wrought Iron / Aluminum Railings

All handrails shall be replaced or installed per code. All railings dimensions are to be installed in accordance with the current code. The railings shall be securely anchored to the porches, steps, retaining walls, etc. When installed on new concrete, posts, or post anchors shall be embedded into concrete. For metal railings set on wood decks, additional support shall be provided every 4 feet. The framing members and supports shall safely support uniformly distributed live loads of 100 p.s.f. plus all dead loads.

Install all members accurately in location, alignment, and elevation, plumb, level, square, and true. All new railings must have at least one coat of rust inhibitive, exterior enamel paint applied after installation is complete.

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DIVISION 06 – WOODS, PLASTICS AND COMPOSITES

006010 Basement Stairs

Repair all basement stairs. Provide tread reinforcement as required to reduce movement.

All new stair treads shall be a minimum of 10 inches deep. The new treads shall be 2 x fir, or pine base or as specified on scope of work document. All stringers are to be constructed of 2 x 12's. The material used shall be the same as for the step treads. The rise and run of the steps shall be uniform throughout.

006020 Main Stairs

Repair main stair risers, treads and bull nose as needed. Provide tread reinforcement as required to reduce movement. Provide new railings as required by code. Where possible, salvage existing balustrades.

When steps with a riser are specified, the treads shall be of 5/4-inch x 10-inch No. 1 dressed fir or oak stock. The risers shall be of 1 inch stock, and stringers of 2-inch stock.

The treads and risers shall be routed or rabbeted to a depth of 1/2 inch into the stringers.

No cleats shall be utilized. The rise and run of the steps shall be uniform throughout. The maximum rise shall be according to current code.

006030 Particleboard Components

All particleboard components shall meet ANSI A208.1 for formaldehyde emission limits or all exposed particleboard edges shall be sealed with a low-VOC sealant or have a factory applied low-VOC sealant prior to installation. All MDF edges shall meet ANSI A208.2 for formaldehyde emission limits or all exposed MDF edges shall be sealed with a low-VOC sealant or have a factory applied low-VOC sealant prior to installation.

006040 Sub-Flooring

Remove existing damaged wood subfloor and/or underlayment. Repair sub-floor does not mean placing new sub-floor on top of existing. Remove existing subfloor to joist farthest from damaged area and install new.

006050 Exterior Decks, Wood Porches, and Steps

Repair/Replace existing wood decks, wood porches and steps.

The underside of decks must be enclosed with lattice.

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All deck, exterior stair, and railing components shall be built completely using all pressure treated materials.

• Deck boards to be minimum 5/4 inch by nominal 6-inch deck boards, unless otherwise indicated.

• Decking must have a 3/4" reveal (overhang) past all framing, skirt wall, and trim boards.

• Wood columns shall be raised a minimum of 4” above grade or concrete stoops to avoid exposure to water.

The size, and number of the joists, shall be as required for the size of the porch, as listed in the Work Description unless the current Code is more restrictive.

Fasteners shall be stainless steel or galvanized screws as required for preservative treated lumber in sufficient length to penetrate not less than 1-1/2 inches into wood substrate.

Porches shall be built on new footings unless existing footings can be shown to be sound and of proper depth. Footings shall be minimum 42” deep and should not be backfilled until inspected and approved by city inspectors.

Porches, balconies, or raised floor surfaces more than 30 inches above a floor or grade, shall have guard rails not less than 36 inches in height.

• The railing system shall consist of nominal 2 x 6 top rail, 4 x 4 posts, and 2 x 2 vertical pickets spaced maximum 4 inches clear between pickets. Provide, and install stair system consisting of handrail, newel posts, intermediate posts, and pickets. Pickets to be installed on deck side of top and bottom rails.

• Stair treads to be minimum 2 x 12 boards.

• 3-foot-wide steps (treads of 2" stock); Risers to be minimum 1 x 8 boards, trimmed to fit, nose of tread to extend 1 inch beyond face of riser. Steps must have equal rise from grade to deck level.

• Steps over 3' wide must have a third stringer.

• Provide two handrails, one on each side.

• Stringers must rest on 4" thick concrete slab the full width of the steps.

• Stringers must be securely fastened to deck framing.

• Skirt wall if scheduled shall be a lattice skirt wall enclosing all open sides of porch and steps, include new 2"x 4" support framing (along perimeter of each lattice panel) and 1" trim stock to conceal all framing (joist framing and 4 x 4 support framing). Provide hinged and latchable access panel.

006060 Carpentry

All rotted or fire damaged wood on or in home shall be removed and replaced.

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Level all floors and ceilings.

Provide new baseboards, door & window casing, and window stools.

Provide new shoe molding with tile, hardwood and LVT flooring.

Provide new fire-blocking as required by code.

Replace damaged or missing fascia, soffits, and frieze boards.

Provide attic access panel at ceiling of closet or location approved by DLBA.

Provide wall access panels for access to all shower/tub valves and traps.

Provide blocking for future grab bars at toilets, tubs, and showers.

Provide blocking above the fireplace mantle for mounting of a future television.

Provide rod and wood shelf at all closets. No wire shelving. Rod height to be 5’ above finish floor unless noted otherwise.

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DIVISION 07 - THERMAL AND MOISTURE PROTECTION

007010 Shingle Roofing

New roofing installations shall carry a minimum 30-year manufacturer’s warranty and be of asphalt or asphalt/fiberglass composition unless otherwise specified. All new installations shall be complete with 15 lb. asphalt saturated felt over entire roof, ice and water shield at all eaves and valleys, new flashing at the chimney(s) and vent stacks, T drip edge at all eaves and rakes, bird-proof aluminum roof vents. New metal "T" drip edge shall be at least 2 1/2 inches wide. In all replacement roofing installations, the existing roofing must be stripped down to roof boards. All defective roof boards are to be replaced as part of the scheduled replacement roofing. If existing roof boards are open spaced, sheathing must be applied.

007020 Roof Vents

Provide attic ventilation as required by code.

Remove or seal at interior all existing gable vents.

New roof louvers shall not be visible from the street. Louvers shall be aluminum (bird proof). The minimum thickness of the aluminum shall be .027 inch. New louvers shall be of size, style, and number to comply with the following conditions:

• All separate attic spaces, which are sealed off from the remainder of the house, shall be cross-ventilated.

• Ventilators shall prevent the entrance of rain, and snow.

• The ratio of the total net free ventilating area, to the area of the ceiling shall be not less than 1/150. Exceptions: The ratio may be 1/300, if a vapor barrier is provided on the warm side of the ceiling; or if the ventilators located in the upper portion of the space provide at least 50% of the required ventilating area.

• The attic space that is suitable for future habitable rooms shall have at least 50% of the required ventilating area located in the highest part of the ventilated space.

• Holes cut through roof sheathing must be "saw cut", and they shall be properly sized to match the roof louver.

007030 Vinyl Siding

When a house is scheduled to be resided with vinyl, all openings shall be trimmed out with aluminum coil stock and all existing wood trim (fascia, drop beams, brackets, columns, etc.) shall also be covered with aluminum coil stock unless otherwise noted.

Color of aluminum trim to be selected by the DLBA. Vinyl soffit may be used on overhangs and porch ceilings (soffit panels must run perpendicular to dwelling walls).

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007040 Roof Flashing

New roof flashing must be installed at all vent stacks, chimneys, walls, and dormer walls.

Metal flashing must be bent at crisp angles. Flashings hammered into shape or poorly bent are unacceptable. Base and step flashing must extend up vertical surfaces a minimum of 4 inches and cover or be woven into shingles a minimum of 4 inches. On wood, vinyl, aluminum, etc. sided structures vertical portions of metal flashing must be placed behind siding material. On masonry surfaces vertical portions of metal flashing must be counter flashed with counter flashing, let into raked or saw cut mortar joints 1 inch, and the mortar joint refilled with mortar. Note: Saw cuts in brick face are unacceptable.

007050 Rim Joist Insulation

After cleaning the area thoroughly, apply expanding foam to the rim joist at the entire perimeter of the basement and/or crawl space exterior walls. Install to R-19 at a minimum. Use a foam product that meets International Residential Code (IRC), Section R314.5.11, and Underwriters Laboratories, Inc. (UL) classification Certificate R7813.

Insulate from the subfloor for the first floor to the top of the foundation wall and seal all penetrations and the top of the foundation. Seal all openings within the area of the rim joist created by plumbing, gas lines, electrical boxes, or any other penetrations.

007060 Insulation

Insulation shall be installed at exterior walls, ceilings, rafter spaces, underside of bay windows, and floors over crawl spaces. When floor insulation over unheated spaces is specified, it shall be R-25. Whenever wall cavities are opened in rehabbing of existing structures, insulation shall be minimum R-13 in frame walls. When insulation is specified for attic spaces, a minimum of R-38 should be achieved.

Insulation at exterior framed walls shall be dense pack cellulose.

When eave vents are installed, adequate baffling of the next opening must be provided, to deflect the incoming air above the surface of the installed blown or poured insulation.

The baffles shall be installed, at the soffit, on a 60-degree angle from the horizontal.

Ceiling insulation shall maintain the integrity of the insulation by fitting the insulation materials around pipes, conduits, and equipment penetrating the ceiling. The edges, and ends shall be tightly butted.

On exterior walls scheduled to receive vinyl siding, remove existing siding. Install a continuous 1-1/2” layer of XPS foam board with tight fitting seams sealed with the manufacturer's seam tape beneath the vinyl siding.

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007070 Air Sealing

Seal all accessible cracks, gaps, and holes in the building envelope (the barrier between the indoor conditioned space and the outside) with low VOC caulk (if less than 1/4 inch) or expanding foam (if greater than 1/4 inch). Seal all top plate and bottom plate penetrations. If the foundation masonry wall is open core concrete block seal the tops of the block with expanding foam. Seal all penetrations created by plumbing, gas lines, electrical boxes, and outlets. Seal large accessible gaps around windows between house framing and window frame – use special care on large sliding-glass doors and vinyl-framed windows: do not use high expansive foam on these. Take care to seal all joints without excess sealant. Seal any gaps in the building envelope adjacent to flues with carefully cut to fit sheet metal that is securely fastened to framing sealing all seams and gaps with fire rated caulk. Seal recessed light fixtures in ceilings that are part of the building envelope and are not rated for insulation contact with an airtight box made of drywall sealed to the ceiling and seal IC rated recessed fixtures with caulk. Seal any entries to attic space using weather stripping on attic doors or hatches. Air sealing must be done prior to the installation of insulation.

Conduct a Blower Door test at completion of the project. The test shall be performed by an operator certified by the Building Performance Institute (BPI) or Energy-Star. Submit results to the DLBA.

007080 Damp-Proofing Foundation Walls

Where a block foundation is being re-built, tooth-in new foundation wall into existing wall. If new foundation wall is within 2' feet of a corner, turn corner with new block and continue for at least 2'.

Excavate to a point 8 inches below the bottom of basement floor. All walls scheduled to be dampproofed shall be prepared as necessary prior to the application of the damp-proofing material. Repair all loose or defective mortar joints and cracks in the exterior foundation walls. Exterior foundation walls of masonry construction shall be damp proofed by applying not less than 3/8 inch of Portland Cement parging to the exterior side of the walls from the footings to the finish grade. The parging shall be covered with one coat of an approved bituminous material applied at the manufacturer's recommended rate, and a 6-mil plastic membrane.

Exterior foundation walls of concrete construction shall be damp-proofed by applying one coat of an approved bituminous material at the manufacturer's recommended rate with 6-mil plastic membrane.

Install new plastic drain tile. Where none exists, new 4-inch drain tile shall be properly placed at the perimeter of the footing, on a 2-inch bed of "pea stone", and connected, as

PPage 31 required by the local code, to a storm sewer system, natural outlet, or drywell. Cover drain tile with a minimum of 6 inches of "pea stone".

Backfill material placed against newly damp-proofed surfaces shall be an appropriate sand-gravel mix for proper soil drainage. Where applicable, the top 8 inches shall be topsoil suitable for plant growth, with finish grade sloped away from the dwelling. When concrete is placed over newly backfilled areas, backfill must be put down in nine-inch lifts and tamped.

007090 Sealants and Caulks

All sealants, caulks and adhesives shall be low VOC.

007100 Gutters and Downspouts

Provide new gutters.

Provide new gutter guards.

Provide new downspouts. Rivet or screw sections together and strap at top, middle, and all joints. Disconnect from underground connection and cap. Provide a hinged connection at the bottom, extending at least 4’ and set on splash blocks

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DIVISION 08 – OPENINGS

008010 Exterior Doors and Frames

Replace all exterior doors and frames. If possible, enlarge the opening to accept a 36” door.

Doors shall…