P-000-190-010 Project Specifications - 9-15-2020.pdf

DEPARTMENT OF GENERAL SERVICES

PROJECT MANUAL

FOR

CABIN LOG REPLACEMENT

HERRINGTON MANOR & NEW GERMANY STATE PARKS

GARRETT COUNTY, MARYLAND

FOR THE

MARYLAND DEPARTMENT OF NATURAL RESOURCES

PROJECT NO. P-000-190-010

June 5, 2020

Project Cost Classification B

"Minority Business Enterprises are Encouraged to Respond to this Solicitation Notice"

STATE OF MARYLAND

Department of General Services Board of Public Works Ellington Churchill, Jr., Secretary Larry Hogan, Governor 301 West Preston Street Peter Franchot, Comptroller Baltimore, Maryland 21201 Nancy K. Kopp, Treasurer

DIVISION 0 - PROCUREMENT & CONTRACTING REQUIREMENTS

- Notice To Bidders - Solicitation Fact Sheet (eMaryland Marketplace Advantage attachment)

- Instructions to Bidders for Construction Projects (March 2007) (eMaryland Marketplace

Advantage attachment)

- General Conditions for Construction Contracts (July 1, 2018) (eMaryland Marketplace

Advantage attachment)

- Bid Proposal Affidavit (eMaryland Marketplace Advantage attachment)

- Contractors Questionnaire

- State Funded Construction Projects – Payment of Employee Health Care Expenses

(eMaryland Marketplace Advantage attachment)

- Bid Bond, if applicable (eMaryland Marketplace Advantage attachment)

- Minority Business Enterprise Utilization Procedures (May 7, 2019) (eMaryland

Marketplace Advantage attachment)

- MBE Attachment D-1A Forms (eMaryland Marketplace Advantage attachment)

- List of Prevailing Wage Rates, if applicable

- Addenda, if any (eMaryland Marketplace Advantage attachment)

- List of Drawings

- Pre-Bid Conference/Site Visit – Refer to: State Finance and Procurement Article 14-

302(a)(7)(v) and COMAR 21.11.03.09.C.(2)(e).

DETAILED SPECIFICATIONS

Section Title

I Detailed Specifications

II Alternates and/or Unit Prices (where applicable)

DRAWINGS/ATTACHMENTS

Section Title

III Drawings/Attachments

Attachment #1 Herrington Manor Site Location

Attachment #2 New Germany Site Location Map

Attachment #3 Site Photos

IV. DETAILED SPECIFICATIONS

A. SCOPE:

1. This project consists of the Contractor providing all labor, equipment, materials, supplies, insurance, etc., necessary to replace exterior logs of several cabins at

Herrington Manor State Park located at 222 Herrington Lane, Oakland, Garrett

County, Maryland 21550; and New Germany State Park located at 349

Headquarters Lane, Grantsville, Garrett County, Maryland 21536.

2. The proposed project shall include, but is not limited to the following:

a. Scope:

i. Installation of hollow log epoxy repair (Unit Price #1) ; epoxy surface patch (Unit Price #2) ; and log chinking (Unit Price #3).

ii. Removal and replacement of approximately 800 LF of 12” Ø logs and approximately 250 LF of 6” Ø log skins from exterior cabin walls.

iii. Treating approximately 1,200 SF of exterior log surfaces, and staining approximately 5,000 SF of exterior log surfaces.

iv. Minor excavation and grading as required to provide adequate drainage away from each cabin.

v. Site cleanup to include seeding and mulching all disturbed areas.

vi. Removal and proper disposal of all debris off state property.

NOTE: All quantities and sizes listed above are approximate.

The Contractor shall be responsible to obtain his or her own measurements for the project and bidding purposes.

b. Unit Prices:

i. Unit Price # 1 “Hollow Log Repair”

Estimated Quantity: 10 Gallons.

ii. Unit Price # 2 “Surface Patch”

Estimated Quantity: 10 Gallons

iii. Unit Price # 3 “Log Chinking”

Estimated Quantity: 1,400 LF

iv. Unit Price # 4 “Underdrain”

Estimated Quantity: 250 LF

NOTE: Unit Prices will be used to increase/decrease the final contract price based on actual quantities installed.

B. QUALIFICATIONS OF THE CONTRACTOR:

1. The Contractor shall be licensed in the State of Maryland as a General Contractor and in accordance with COMAR regulations to perform work associated with this contract.

2. The Contractor shall have a minimum of three (3) years of experience performing construction work of a similar nature on buildings of a comparable age.

3. Upon request, the Contractor shall submit a list of similar projects that have been successfully completed.

4. The application of the Borate pesticide shall be performed by a licensed State of

Maryland – Department of Agriculture certified pesticide applicator.

C. STANDARDS AND CODES:

1. All work shall be performed in a first class workmanship manner in accordance to standards of the trade.

2. The Contractor shall comply with OSHA (Occupational Safety and Health

Administration) and MOSHA (Maryland Occupational Safety and Health

Administration) regulations regarding construction safety and health standards throughout the duration of this project.

3. All work shall be performed in accordance to applicable code requirements and standards as defined by the Maryland Code Administration “Maryland Building Performance Standards” (MBPS), International Building Code (IBC) and

International Residential Code (IRC) which includes but is not limited to the following:

International Plumbing Code (IPC)

International Mechanical Code (IMC)

National Electric Code (NEC)

International Energy Conservation Code (IECC)

Maryland Accessibility Code (MAC)

National Fire Protection Association 101 Life Safety Code (NFPA) and any local amendments or modifications to the Standards made by the local jurisdiction which may be applicable to the work.

D. SITE VISIT:

1. All prospective bidders are encouraged to visit the job site and familiarize himself/herself with the conditions under which the work will be performed. No allowance will be made for errors on the Contractor’s part for failure to take into account any conditions or circumstances existing at the site, which might affect the specified work.

2. Please notify the Park Managers at Herrington Manor State Park by calling 301-

334-9180 and New Germany State Park by calling 301-895-5453 prior to any site visit other than the pre-bid meeting.

E. LIMITS OF WORK:

1. The limits of work associated with the removal of existing exterior logs shall be as marked in the field by the Project Engineer with paint, flagging, or other suitable means. Work will be contained to the following cabins at each facility;

and be performed during the following dates:

Herrington Manor State Park – Cabin #’s - 14,15,16,18,19,&20

March 2021 – June 2021

New Germany State Park – Cabin #’s - 2,3,6,&10

March 2021 – June 2021

F. MATERIALS AND SUPPLIES:

1. General:

a. All materials shall be as specified or approved equal by the DNR Project

Engineer and DGS Inspector.

b. All materials shall be new and where applicable shall be delivered to the job site with labels intact and legible.

c. The Contractor shall be responsible for the coordination, off-loading, and proper storage of all materials and supplies up until the time of final inspection.

d. Material storage site locations shall be approved by the Park Managers at time of delivery. All materials shall be stored up off the ground surface and protected from weather with weatherproof covering. Any special storage instructions required by the material manufacturer shall be performed by the Contractor as if specified herein.

e. All materials are subject to the inspection and approval of the DNR

Project Engineer and DGS Inspector.

f. Any materials and supplies not specifically mentioned but are reasonably implied for the complete, safe, and satisfactory completion of the project shall be provided by the Contractor as if specified herein.

2. Specifics:

a. Log Sealant shall be 100% acrylic polymer, stainable sealant manufactured for use on log walled structures. Perma Chink Energy Seal External Log

Wall or approved equal- color light grey.

b. Log Wall Epoxy Filler shall be, two part epoxy, moldable, sandable, stainable wood filler manufactured for use on external wood surfaces.

Perma Chink E-Wood or approved equal.

c. Log Wall Epoxy Consolidator shall be two part epoxy wood, flowable penetrator/consolidator. Perma Chink M-Balm or approved equal.

d. Pesticide shall be a termaticide, insecticide, fungicide containing 100% borate powder with glycol carrier. Perma Chink Shell-Guard RTU or approved equal.

e. Log wall chinking shall be a textured sealant as manufactured by Perma

Chink Energy Seal or approved equal with compatible backer rod where applicable.

f. Replacement logs shall vary in width from 6-12”, and vary in length from 4’-30’. Each log shall be appropriately sized for the replacement location.

New logs shall be rough sawn White Oak, square on three sides, with a live edge facing the exterior.

g. Replacement log skirting / skins shall be a min of 2” thick, vary in width from 6-8” and in length from 4’–20’. Each skin shall be appropriately sized for the replacement location. Log skins shall be white oak, square on three sides, with a rounded face to the exterior.

h. Log Wall Stain shall be exterior grade acrylic based solid color stain

Sherwin Williams Wood Scapes or approved equal- Color to be selected from contractor provided color samples.

i. Joint Sealant shall be a one part high performance polyurethane sealant as manufactured by Tremco. Valkem 116 or approved equal – color shall be selected from contractor provided samples.

j. Underdrain Aggregate: Shall be SHA approved #57 graded aggregate.

k. Subsurface Underdrain Pipe: Shall be 4" (diameter) ADS polyethylene perforated drainpipe. All fittings and adhesives necessary for compliance with this specification are incidental and shall be included to meet the specifications.

l. Filter fabric: Shall be a minimum of 40 mil non-woven geotextile filter cloth.

m. Topsoil: Shall be screened topsoil free of rocks, roots, limbs, etc.

n. Grass Seed: Shall be a mixture of 10% annual rye, 45% perennial rye, and

45% red fescue.

o. Mulch: Shall be wheat or rye straw free of noxious weeds, seeds, etc.

G. METHOD OF WORK:

1. General:

a. All work shall be as shown on the drawings and as called for in these written specifications.

b. The Contractor shall coordinate all work with the various trades and material suppliers in order to complete the project expeditiously within the time limits of the contract.

c. All work shall be performed in the best and most professional manner possible by mechanics skilled in their respective trades.

d. All work shall be performed to minimize disruption to Facility Operations.

It is understood that the Contractor shall maintain accessibility for vehicular and pedestrian traffic throughout the project.

e. The Contractor shall provide and install adequate barricades, signs, etc., necessary to insure public safety as approved by the Facility Manager.

f. At the end of each day, open ditches shall be properly backfilled and compacted in accordance to applicable sections of these specifications and drawings.

g. The Contractor shall adhere to OSHA-MOSHA regulations throughout the project to insure the safety of his/her employees, state employees, and the public.

h. The Contractor shall maintain the work site in a safe, neat, and orderly manner throughout the entire project. The Contractor shall take steps to prevent the accumulation of debris at the job site.

i. Prior to performing any excavation work, the Contractor shall notify Miss

Utility to mark all underground utilities. In addition, the Contractor shall work with the Park Maintenance Supervisor and hire the services of a

Private Utility Locating Company to locate other utilities that may exist at or adjacent to the worksite.

j. Any work that has not been specifically mentioned, but is reasonably implied and is necessary for the safe and satisfactory completion of the project, shall be performed by the contractor as if specified herein.

2. Hollow Log Repair: Unit Price # 1.

a. The contractor shall prepare to make epoxy patch repairs and stabilization of the cabin logs by tapping the affected log and locate all voids that are not visible.

b. Where hollow areas are located, carefully staple 6 mil plastic sheeting to undersides of hollow logs to insure any drips and runs from epoxy will be caught by plastic. Use drop clothes on grounds to prevent contaminating ground and cover all adjacent surfaces to prevent splashing and drips on those surfaces.

c. Carefully drill ¼” holes through the top of the logs always at a downward angle into the center of the logs.

d. With a funnel, pour in the specified epoxy filler according to the epoxy manufacturer’s written instructions. Perform the first series of pours slowly and in small quantities until all bottom exit holes for the epoxy have been located and plugged against leakage.

e. After all bottom holes have been plugged, start to mix and pour in a low viscosity epoxy to fill up the cores. Once the holes no longer drain, plug the holes with epoxy filler and allow to dry. After the epoxy has set, sand the log surfaces to the same level of smoothness as the adjacent areas. If those areas are rough due to deterioration, as smooth as the original logs were first installed in the cabin.

f. Before staining the logs, drill a test hole near each core to make sure all core pockets are full. If any unfilled pockets are located, repeat the filling procedures until the logs are fully consolidated.

3. Surface Repair: Unit Price # 2.

a. Inspect the logs and identify areas where surface deterioration has taken place.

b. Using chisels and brushes, remove any loose debris and rotten wood.

c. Mix and apply the specified 2 part epoxy wood filler according to the manufacturer’s written instructions. Feather the patches to the edges of the repair to mimic adjacent natural wood grain and contours.

4. Log and Log Skin Replacement:

a. All logs to be removed shall be marked out by the project engineer in advance of any work.

b. The Contractor shall submit a written plan for building stabilization. The plan shall include any temporary structure details, jacking plans, bracing, method of work, etc. This shall be approved prior to starting any work.

Any jacking must be performed under DNR or DGS supervision.

c. The Contractor shall take care during jacking / demolition to ensure that no additional damage is caused to the surrounding structure. Prior to log removal all temporary structural members must be installed.

d. Neatly cut and remove all chinking from the adjacent joints around each damaged log to be replaced. Carefully cut / pry the damaged logs free from the structure per the preapproved replacement plan.

Note: It is not anticipated that any floor structure or interior finishes will be impacted by this project. Should either of these situations be encountered notify the project engineer for guidance.

e. After the logs have been removed from each cabin properly clean and prepare the existing openings to receive the newly sawn replacement logs.

f. Carefully install the replacement logs and ensure that each log is appropriately sized for each location. Replacement logs shall be secured with screws to the surrounding log structure. After logs are secured in place all screw holes shall be filled white oak dowels and dressed with the specified epoxy surface patch. Log ends shall be cut to match the surrounding structure: At all outside and inside corners the logs shall be notched to lock into the structure. At all field joints the ends may be spliced but must be approved prior to installation.

g. All damaged log skirting / skins shall be marked out in advance of work.

At areas where the log skirting is deteriorated the contractor shall remove the damaged timbers and inspect the framework.

Note: Should deteriorated framework be encountered notify the project engineer for guidance.

h. The contractor shall install new properly sized log skins at these locations.

Replacement log skins shall be secured with screws to the structure. After logs are secured in place all screw holes shall be filled white oak dowels and dressed with the specified epoxy surface patch.

5. Pesticide Application:

a. The contractor shall remove all debris and dust from all newly milled log surfaces in preparation for applying exterior pesticides.

b. All pesticides shall be applied in accordance with the Maryland

Department of Agriculture Regulations pertaining to pesticide applications.

c. The contractor shall apply the specified Termaticide, Insecticide, Fungicide in accordance with the Pesticide manufacturer’s written instructions to all newly milled exterior log surfaces. Extreme caution shall be taken during this application to prevent visitor contact, as well as unprotected worker contact with this pesticide.

d. Allow for adequate drying time before staining.

6. Chinking and Staining:

a. Repaired Log Finishing: After logs have been consolidated and or patched, sand smooth all epoxy fill material to match existing contours and grain direction/patterns. Remove all sanding dust and loose debris.

b. The contractor shall remove all loose log chinking from the work area.

c. The contractor shall apply new chinking to all exterior wood seams and joints as required.

1) Caulking shall be applied in a neat and uniform manner using the smallest caulking bead possible, while ensuring a consistent seal between all wood members.

2) Use polyethylene backer rod on all areas larger than 3/8” in diameter.

3) Neatly finish chinking by troweling or brushing to a concave finished surface, ensuring a complete seal between log courses and wood joints. New chinking shall closely match the existing caulking in color and finish.

Note: Chinking replacement shall be made using Unit Price #3.

d. The contractor shall apply new joint sealant to the exterior wood / masonry joint along all masonry where required.

1) Sealant shall be applied in a neat and uniform manner using the smallest bead possible, while ensuring a consistent seal between the wood members and the stone chimney.

2) Use polyethylene backer rod on all areas larger than 3/8” in diameter.

3) Neatly finish sealant by troweling or brushing to a smooth finished surface, ensuring a complete seal between log courses and chimney stone work. New sealant shall closely match the existing mortar in color.

e. The contractor shall apply two (2) successive coats of specified exterior grade stain (brush only) to all replacement logs and patched surfaces, according to the stain manufacturer’s written instructions. Immediately clean up any runs and drips.

f. On elevations where logs are replaced, the contractor shall apply one (1) coat of stain (brush only) to the entire elevation to ensure a uniform appearance.

7. Site Drainage: Unit Price # 4.

a. The Contractor shall excavate the site as necessary to properly install a 14” wide x 24” deep underdrain trench. The base of the trench shall be sloped

(⅛” per foot minimum) to insure positive drainage. The base of the trench shall be graded and compacted with hand tampers or motorized hand tampers prior to backfilling.

b. The trench shall be lined with Geotextile Fabric of sufficient width to extend 12” beyond the walls of the trench. The new perforated drainpipe shall then be installed. New drainpipe shall slope a minimum of

⅛” per foot and connected to outfall drain.

c. The Contractor shall backfill the trench with SHA approved #57 aggregate to within 4” of grade. Backfill material shall be compacted in 8-10 inch lifts. Fold filter cloth over #57 aggregate.

d. Backfill remaining excavation to grade with salvaged topsoil. Regrade the surrounding site as required to ensure proper drainage away from each cabin / direct water into the newly installed underdrain system.

8. Site Restoration:

a. Disturbed turf areas shall be backfilled with clean topsoil and raked to match existing contours.

b. All newly installed topsoil shall be seeded, mulched, limed and fertilized to insure good turf growth. Spread seed at a rate of 8-10 lbs./1000 SF, lime at a rate of 50 lbs./1000 SF, fertilize at a rate of 40 lbs./1000 SF and mulch at a rate of 90 lbs./1000 SF.

c. The Contractor shall be responsible for the removal of all excess construction debris: masonry, logs, soils, etc., and proper disposal off State property.

H. WARRANTY AND GUARANTEE:

The Contractor shall fully guarantee his/her work for a period of two (2) years from the date of final acceptance. Any defects found within the warranty period shall be repaired or replaced by the Contractor at no additional cost to the State.

I. GENERAL REQUIREMENTS:

1. All work shall be coordinated with the Facility Manager, DGS State Inspector and

DNR Project Engineer at the work initiation meeting.

2. Work shall be accomplished during the normal work hours of 8 a.m. to 4:30 p.m., Monday through Friday, unless permission is given in writing by the Facility

Manager to do otherwise.

3. The requirement to provide an on-site office as noted in the General Conditions on Page 29, Section 7.02, will not be required for this project.

4. The Contractor shall provide all signs, barricades, etc., to insure a safe work area throughout the entire project.

5. The contract shall be for a duration period of 270 calendar days.

6. Please note that as part of this work there will be extensive temporary stabilization required. The Contractor shall submit a written plan for building stabilization. The plan shall include any temporary structure details, jacking plans, bracing, etc. This shall be approved prior to starting any work. Any jacking must be performed under DNR or DGS supervision.

7. The Contractor shall provide two (2) hard copy and one (1) electronic copy of the

Maintenance Manuals to the Project Engineer for all products that are approved and installed.

J. METHOD OF PAYMENT:

Payments shall be made in accordance with the General Conditions, Section 8, “Payments”.

V. ALTERNATES AND UNIT PRICES

A. ALTERNATES:

NONE

B. UNIT PRICES:

The appropriate prices are to be inserted on the appropriate line items on the bid form.

1. Unit Price #1 - Hollow Log Repair- The Contractor shall insert a cost per gallon x an estimated 10 gallons = Total Unit Price #1 to make epoxy hollow log repairs as directed by the Project Engineer or DGS Inspector.

2. Unit Price #2- Surface Patch - The Contractor shall insert a cost per gallon x an estimated 10 gallons = Total Unit Price #2 to make epoxy surface repairs as directed by the Project Engineer or DGS Inspector.

3. Unit Price #3- Log Chinking - The Contractor shall insert a cost per linear foot x an estimated 1,400 LF= Total Unit Price #3 to apply log sealant/ chinking as directed by the DNR Project Engineer or DGS Inspector.

4. Unit Price #4- Underdrain - The Contractor shall insert a cost per linear foot X estimated 250 LF to install underdrains as directed by the Project Engineer or

DGS Inspector.

NOTE: Unit Prices will be used to increase/decrease the final contract price based on actual quantities installed.

VI. DRAWINGS AND ATTACHMENTS

A. DRAWINGS:

The following drawings are attached and should be considered part of the specifications:

None

B. ATTACHMENTS:

The following drawings are attached and should be considered part of the specifications:

Attachment # 1 – Herrington Manor Site Location Map

Attachment # 2 – New Germany Site Location Map

Attachment # 3 – Site Photos