Hampton Mansion CD.pdf

24 FEB 2021

1.2.3 RUSTICATED WOOD BASE

1. SURVEY THE RUSTICATED WOOD BASE TO DOCUMENT THE CONDITION, PROFILE, AND

DIMENSIONS OF THE COMPONENTS, INCLUDING ANY ELEMENTS SCHEDULED FOR

REMOVAL, PRIOR TO BEGINNING REMOVAL. DOCUMENT THE RESULTS OF THE SURVEY

ON ELEVATIONS AND DETAILS AND SUBMIT TO THE PROJECT TEAM. THESE DOCUMENTS

WILL SERVE AS THE BASIS FOR THE SHOP DRAWING SUBMITTALS.

2. REMOVE AND DISPOSE OF ALL LAYERS OF PAINT FROM THE EXTERIOR OF THE CUPOLA

PER HAZARDOUS ABATEMENT DRAWINGS.

3. CAREFULLY REMOVE ALL WOOD COMPONENTS MAKING UP THE RUSTICATED WOOD

BASE. MARK AND SURVEY THE REMOVED PIECES. THE SURVEY WILL PROVIDE THE

DIMENSIONS AND INFORMATION REQUIRED TO REFABRICATE DAMAGED PIECES.

STORE DAMAGED PIECES IN A PLASTIC BAG AND TURN OVER TO NPS. INCLUDE 320 SQ

FT THE BASE BID. PERFORM ADDITIONAL REPLACEMENT OF THE RUSTICATED WOOD

BASE ON A UNIT PRICE BASIS, UNIT PRICE 4.

1.2.4 ENTABLATURE AND ENGAGED COLUMNS

1. SURVEY AND DOCUMENT THE CONDITION, PROFILE, AND DIMENSIONS OF THE

ENTABLATURE AND THE ENGAGED COLUMNS, INCLUDING ANY ELEMENTS SCHEDULED

FOR REMOVAL, PRIOR TO BEGINNING REMOVAL. DOCUMENT THE RESULTS OF THE

SURVEY ON ELEVATIONS AND DETAILS AND SUBMIT TO THE PROJECT TEAM. THESE

DOCUMENTS WILL SERVE AS THE BASIS FOR THE SHOP DRAWING SUBMITTALS.

2. REMOVE AND DISPOSE OF ALL LAYERS OF PAINT FROM THE EXTERIOR OF THE CUPOLA

PER THE HAZARDOUS ABATEMENT DRAWINGS.

3. MARK LOCATIONS THAT WILL BE REMOVED WITH CHALK OR OTHER NON-PERMANENT

MARKER. REVIEW LOCATIONS WITH ENGINEER AND/OR NPS PRIOR TO REMOVAL.

AFTER APPROVAL BY CONTRACTING OFFICER AND/OR NPS, CUT OUT DETERIORATED

PORTIONS OF THE ENTABLATURE AND ENGAGED COLUMNS AND PREPARE FOR

REPLACEMENT WOOD PATCH OR EPOXY (AS NOTED BY CONTRACTING OFFICER AND

NPS). STORE DAMAGED PIECES IN A PLASTIC BAG AND TURN OVER TO NPS. INCLUDE

60 SQ FT IN THE BASE BID. PERFORM ADDITIONAL REMOVAL AND REPLACEMENT OF

THE ENTABLATURE AND ENGAGED COLUMNS ON A UNIT PRICE BASIS, UNIT PRICE 5.

1.2.6 METAL FLASHING

1. SURVEY ANY METAL ROOFING ELEMENT SCHEDULED FOR REMOVAL TO DOCUMENT

PROFILES AND DIMENSIONS, INCLUDING SEAMS AND/OR JOINTS, PRIOR TO BEGINNING

REMOVAL. DOCUMENT THE RESULTS OF THE SURVEY ON ELEVATIONS AND DETAILS

AND SUBMIT TO THE PROJECT TEAM. THESE DOCUMENTS WILL SERVE AS THE BASIS

FOR THE SHOP DRAWING SUBMITTAL.

2. REMOVE PAINT ON THREE SAMPLE SOLDER JOINTS ON FLAT-SEAM METAL ROOF.

COORDINATE WITH THE CONTRACTING OFFICER TO INSPECT THE SOLDERED JOINTS.

NOTE THAT BOTH SOLDER AND PAINT CONTAIN LEAD. SEE GENERAL NOTES - ITEM 3.

3. SURVEY BLOCKING AT BASE OF CEDAR ROOF TO DOCUMENT PROFILES AND

DIMENSIONS PRIOR TO BEGINNING REMOVAL. DISPOSE OF DAMAGED PORTIONS.

INCLUDE 45 LINEAR FT OF NEW BLOCKING IN THE BASE BID.

1.2.7 CEDAR ROOF

1. SURVEY THE CEDAR ROOF TO DOCUMENT THE GEOMETRY, DIMENSIONS, AND LAYOUT

OF THE CEDAR SHINGLES, INCLUDING ELEMENTS SCHEDULED FOR REMOVAL, PRIOR

TO BEGINNING REMOVAL. DOCUMENT THE RESULTS OF THE SURVEY ON PHOTOS,

ELEVATIONS, AND PLANS AND SUBMIT TO THE PROJECT TEAM. THESE DOCUMENTS

WILL SERVE AS THE BASIS FOR THE SHOP DRAWING SUBMITTALS.

2. REMOVE AND DISPOSE OF CEDAR SHINGLES AND ROOFING UNDERLAYMENT.

3. REMOVE DAMAGED PORTIONS OF THE ROOF DECKING. INCLUDE 135 SQ FT OF

REMOVAL IN THE BASE BID. STORE DAMAGED PIECES IN A PLASTIC BAG AND TURN

OVER TO NPS. PERFORM ADDITIONAL REMOVAL OF WOOD DECKING ON A UNIT PRICE

BASIS, UNIT PRICE 6.

1.2.8 FINIALS (LOWER AND UPPER)

1. SURVEY THE FINIALS (FOUR LOWER AND ONE UPPER) TO DOCUMENT THE CONDITION,

PROFILE, AND DIMENSIONS OF ALL COMPONENTS, INCLUDING ELEMENTS SCHEDULED

FOR REMOVAL, PRIOR TO BEGINNING REMOVAL. DOCUMENT THE RESULTS OF THE

SURVEY ON PHOTOS, ELEVATIONS AND DETAILS AND SUBMIT TO THE PROJECT TEAM.

THESE DOCUMENTS WILL SERVE AS THE BASIS FOR THE SHOP DRAWING SUBMITTAL.

2. REMOVE, STORE, AND PROTECT THE LIGHTNING PROTECTION ON TOP OF THE CUPOLA.

PROVIDE TEMPORARY LIGHTNING PROTECTION AS REQUIRED. SEE GENERAL NOTE -

ITEM 4.

3. REMOVE, STORE, AND PROTECT THE FINIAL AND FINIAL BASE. REMOVE AND DISPOSE

OF ALL LAYERS OF PAINT FROM THE EXTERIOR OF THE CUPOLA FINIALS PER

HAZARDOUS ABATEMENT DRAWINGS.

4. PROTECT THE GOLD LEAF ON THE UPPER FINIAL.

1. SCOPE OF WORK

1.1 GENERAL NOTES

1. SCOPE OF WORK INCLUDES BUT IS NOT LIMITED TO WORK DESCRIBED BELOW. REFER

TO DRAWINGS AND SPECIFICATIONS FOR ALL WORK.

2. HAZARDOUS MATERIAL TESTING IS COMPLETE. THE REPORTS ISSUED ON

15 AND 19 MARCH 2019 FOR LEAD AND ASBESTOS, RESPECTIVELY, INDICATE THAT THE

PAINT (BOTH INTERIOR AND EXTERIOR OF WINDOWS, WINDOW SILLS AND WOOD

COMPONENTS - E.G. BASEBOARDS, WINDOW SURROUNDS ETC.) CONTAINS LEAD,

HOWEVER THE INTERIOR WALL PAINT, PLASTER AND PUTTY DO NOT CONTAIN LEAD OR

ASBESTOS (ATTACHMENT C).

3. REMOVE AND DISPOSE OF ALL PAINT IN ACCORDANCE WITH THE HAZARDOUS

ABATEMENT DRAWINGS.

4. EXISTING LIGHTNING PROTECTION FOR ENTIRE BUILDING WILL BE EVALUATED AS A

PART OF CUPOLA RESTORATION PROJECT. CONTRACTOR SHALL, AS PART OF

DELEGATED DESIGN, PROVIDE A UL-CERTIFIED LIGHTNING PROTECTION SYSTEM AND

COORDINATE ALL WORK WITH THE REMOVAL, STORAGE, PROTECTION, DESIGN (OPTION

5 - IF REQUIRED) AND INSTALLATION OR REINSTALLATION OF THE LIGHTNING

PROTECTION ON THE ROOF, CUPOLA, AND FINIAL. CONTRACTOR MUST PROVIDE

TEMPORARY LIGHTNING PROTECTION THROUGHOUT THE DURATION OF THE

CONSTRUCTION. NPS CAN PROVIDE DRAWINGS FROM PAST CERTIFIED LIGHTNING

PROTECTION DESIGN FOR REFERENCE.

5. PROTECT ALL EXISTING ROOF AND BUILDING SURFACES. DO NOT ALLOW ANY CHEMICAL

STRIPPERS OR CLEANING FLUIDS TO CONTACT ROOF SURFACES OR BUILDING WALLS.

PRIOR TO PERFORMING ALL DEMOLITION WORK, CONTRACTOR MUST CONFIRM AND

DOCUMENT THE CONDITION OF ALL COMPONENTS WITHIN AND ADJACENT TO SCOPE.

CONTRACTOR MUST DOCUMENT THE CONDITIONS WITH DIGITAL PHOTOGRAPHS AND

ANNOTATED SKETCHES, PLANS, AND ELEVATIONS AND SUBMIT THEM TO THE PROJECT

TEAM FOR RECORD.

6. THE CONTRACTOR IS RESPONSIBLE FOR KEEPING WATER OUT OF THE BUILDING AT ALL

TIMES. DURING AND AFTER SLATE AND CEDAR ROOF REMOVAL, AND PRIOR TO NEW

WATERPROOFING INSTALLATION, PROVIDE ADEQUATE TEMPORARY PROTECTION TO

PREVENT WATER PENETRATION INTO BUILDING. DO NOT ALLOW WATER FROM PAINT

REMOVAL AND CLEANING OPERATIONS TO ENTER THE BUILDING. COLLECT ALL RUNOFF

FROM PAINT REMOVAL AT THE BASE OF THE CUPOLA AND DISPOSE OF PROPERLY AND

IN ACCORDANCE WITH APPLICABLE ENVIRONMENTAL LAWS AND THE HAZARDOUS

ABATEMENT DRAWINGS.

7. ALL EGRESS PATHS INTO AND OUT OF THE BUILDING MUST REMAIN ACCESSIBLE

THROUGHOUT THE CONSTRUCTION.

8. SCAFFOLDING OR OTHER MEANS OF ACCESS IS NOT PERMITTED TO BE SUPPORTED

DIRECTLY ON THE SLATE ROOF. CONTRACTOR IS RESPONSIBLE FOR DESIGN OF THE

SCAFFOLDING AND NECESSARY SHORING AND TIE-BACKS AS REQUIRED. CONTRACTOR

MUST PROVIDE SIGNED AND SEALED SCAFFOLDING DRAWINGS, PREPARED BY A

PROFESSIONAL ENGINEER, FOR REVIEW AND APPROVAL BY NPS. THE SCAFFOLDING

ENGINEER MUST VERIFY THAT THE 'BUILDING'S ROOF STRUCTURE HAS THE NECESSARY

STRUCTURAL CAPACITY TO SUPPORT THE SCAFFOLDING, INCLUDING GRAVITY AND

LATERAL LOADS.

1.2 REMOVALS - BASE BID

1. PRESERVE INTACT ALL REMOVED MATERIALS ON SITE FOR NPS INSPECTION. DO NOT

DISPOSE OF REMOVED MATERIALS UNTIL AFTER NPS INSPECTION IS COMPLETE.

1.2.1 INTERIOR PLASTER

1. REMOVE LOOSE PORTIONS OF DAMAGED PLASTER ON THE CEILING OF THE FOURTH

FLOOR IN THE CUPOLA AND THE WALL OF THE CUPOLA AS REQUIRED TO REPAIR

PLASTER. STORE A SAMPLE OF EACH AREA OF PLASTER REMOVED IN SEALED PLASTIC

BAGS AND TURN OVER TO THE NPS. THE CONTRACTOR SHOULD ASSUME

APPROXIMATELY 200 SQ FT OF PLASTER REMOVALS FOR BASE BID. PERFORM

ADDITIONAL REMOVAL OF DAMAGED PLASTER ON A UNIT PRICE BASIS, UNIT PRICE 1.

1.2.2 SLATE ROOF

1. SURVEY THE LAYOUT AND GEOMETRY OF THE SLATE ROOF PRIOR TO REMOVAL,

INCLUDING SHEATHING AND PURLINS OBSERVABLE FROM THE INTERIOR. NOTE

ELEMENTS SCHEDULED FOR REMOVAL, AND DOCUMENT THE RESULTS OF THE SURVEY

ON PHOTOS, PLANS, AND ELEVATIONS AND SUBMIT TO THE PROJECT TEAM. THESE

DOCUMENTS WILL SERVE AS THE BASIS FOR THE SHOP DRAWING SUBMITTAL. SUBMIT

SURVEY INCLUDING PHOTOS, PLANS AND ELEVATIONS TO CONTRACTING OFFICER AND

NPS FOR REVIEW AND APPROVAL.

2. REMOVE, STORE AND PROTECT SLATE AT THE PERIMETER OF THE CUPOLA. REMOVE,

STORE, AND DISPOSE OF FLASHING AND ASPHALT FELT UNDERLAYMENT AT THE

PERIMETER OF THE CUPOLA. INCLUDE A MINIMUM OF 600 SQ FT OF REMOVAL OF SLATE,

FLASHING AND ASPHALT UNDERLAYMENT IN THE BASE BID. PERFORM ADDITIONAL

REMOVAL OF SLATE, FLASHING AND ASPHALT UNDERLAYMENT ON A UNIT PRICE BASIS,

UNIT PRICE 2.

3. SURVEY THE CONDITION OF THE WOOD DECK AND EACH RAFTER AND PURLIN BELOW

THE WOOD DECKING AT LOCATIONS SHOWN ON THE DRAWINGS. DOCUMENT THE

RESULTS OF THE SURVEY ON PHOTOS, PLANS, AND ELEVATIONS, AND SUBMIT TO THE

PROJECT TEAM. THESE DOCUMENTS WILL SERVE AS THE BASIS FOR THE SHOP

DRAWING SUBMITTAL. SURVEY SHOULD INCLUDE EXTENT OF DETERIORATION TO WOOD

DECKING, RAFTERS, AND PURLINS. INCLUDE 800 SQ FT OF REMOVAL OF WOOD DECKING

IN THE BASE BID. PERFORM ADDITIONAL REMOVAL OF WOOD DECKING ON A UNIT PRICE

BASIS, UNIT PRICE 3.

1.SCOPE OF WORK, CONTINUED

1.3 INTERIOR PLASTER - BASE BID

1. REPLACE LATH AND PLASTER AT INTERIOR LOCATIONS NOTED ON THE DRAWINGS.

NOTE THIS DOES NOT INCLUDE HAIRLINE CRACKS. REPLACE PLASTER ASSEMBLY IN

KIND. INCLUDE 200 SQ FT OF PLASTER REPLACEMENT IN THE BASE BID. PERFORM

ADDITIONAL REPLACEMENT ON A UNIT PRICE BASIS, UNIT PRICE 7.

2. PAINT ALL EXPOSED PLASTER SURFACES AT INTERIOR OF CUPOLA AS SHOWN ON THE

DRAWINGS - SHEET A101.

1.4 INTERIOR PLASTER - OPTION 1

1. PATCH ALL HAIRLINE CRACKS IN THE PLASTER AT THE PERIMETER OF WINDOWS,

CEILING OF THE CUPOLA AND OTHER LOCATIONS SHOWN ON THE DRAWINGS.

1.5 SLATE ROOF - BASE BID

1. REPLACE ALL WOOD DECKING REMOVED BELOW SLATE ROOF. NOTE WOOD DECKING

REMOVAL WILL NEED TO TERMINATE AT RAFTER LOCATED AT EDGE OF SLATE REMOVAL

OR JUST BEYOND SLATE REMOVAL. INCLUDE 600 SQ FT OF DECK REPLACEMENT IN THE

BASE BID. PERFORM ADDITIONAL DECK REPLACEMENT ON A UNIT PRICE BASIS, UNIT

PRICE 8.

2. PROVIDE NEW WOOD PURLINS AND RAFTERS ADJACENT TO OLD WOOD

PURLINS/RAFTERS AT LOCATIONS NOTED IN CONTRACTOR'S SURVEY IN ITEM 1.2.2.

INCLUDE 100 LINEAR FEET OF REINFORCEMENT WOOD PURLINS/RAFTERS IN THE BASE

BID. PERFORM ADDITONAL REINFORCEMENT OF WOOD PURLINS/RAFTERS ON A UNIT

PRICE BASIS, UNIT PRICE 9. SISTER RAFTERS/PURLINS AS FOLLOWS:

· SISTER MEMBERS SHOULD MATCH EXISTING MEMBERS IN SIZE AND SHAPE. FOR

BASE BID, ASSUME RAFTER DIMENSIONS ARE 3 X 4 AND PURLIN DIMENSIONS ARE

2 X 3. VERIFY IN FIELD.

· SISTER MEMBER SHOULD RUN FULL LENGTH FROM FACE OF WALL/SUPPORT

(MINUS A FOOT TO ALLOW FOR INSTALLATION).

· FASTEN ALONG THE LENGTH OF THE MEMBERS, 2 FASTENERS AT EACH RAFTER

ASSUME 8 FASTENERS PER SISTER MEMBER.

3. PROVIDE SELF-ADHERED MEMBRANE FLASHING AND UNDERLAYMENT ON THE WOOD

DECKING AND AT THE BASE OF THE CUPOLA. INCLUDE 700 SQ FT OF SELF-ADHERED

MEMBRANE IN THE BASE BID. EXTEND THE UNDERLAYMENT UP THE BACKUP WALL

BEHIND THE RUSTICATED WOOD BASE (SEE THE NEXT ITEM) A MINIMUM OF 18 IN.

INTEGRATE THE SELF-ADHERED MEMBRANE WITH THE SLATE ROOF FELT

UNDERLAYMENT. PROVIDE ADDITIONAL SELF-ADHERED MEMBRANE ON A UNIT PRICE

BASIS, UNIT PRICE 10.

4. REINSTALL THE EXISTING SLATE SHINGLES. INCLUDE 120 SQ FT OF REPLAEMENT SLATE

DUE TO BREAKAGE AND OTHER IMPERFECTIONS (E.G., KNURLS) IN THE EXISTING SLATE

IN THE BASE BID. MIX NEW SLATE WITH EXISTING SLATE. PROVIDE ADDITIONAL

REPLACEMENT SLATE ON A UNIT PRICE BASIS, UNIT PRICE 11.

5. PROVIDE COPPER STEP FLASHING, APRON FLASHING, AND COUNTERFLASHING AT THE

BASE OF THE RUSTICATED WOOD BASE AS SHOWN ON THE DRAWINGS.

1.6 RUSTICATED WOOD BASE - BASE BID

1. REPAIR OR REPLACE THE WOOD DEPENDING ON CONDITION. REMOVE AND REPLACE

HEAVILY DAMAGED OR DETERIORATED WOOD. REPAIR WOOD WITH ISOLATED DEFECTS

USING A COMBINATION OF DURABLE WOOD FILLERS, EPOXY CONSOLIDANTS, AND

PARTIAL IN-KIND REPLACEMENT. RESTORE WOOD COMPONENTS SCHEDULED TO

REMAIN TO THEIR ORIGINAL DIMENSIONS AND PROFILES. SECURELY ATTACH LOOSE

COMPONENTS USING NAILS AND SCREWS AS REQUIRED. COUNTERSINK NAIL AND

SCREW HEADS AND COVER COUNTERSUNK AREAS WITH SPECIFIED WOOD FILLER.

MODIFY EXISTING AND NEW WOOD TO ACCOMMODATE NEW ROOF PERIMETER

FLASHING.

1.9 ENTABLATURE AND ENGAGED COLUMNS - BASE BID

1. REPAIR OR REPLACE THE WOOD. REMOVE AND REPLACE HEAVILY DAMAGED OR

DETERIORATED WOOD. REPAIR WOOD WITH ISOLATED DEFECTS USING A COMBINATION

OF DURABLE WOOD FILLERS, EPOXY CONSOLIDANTS, AND PARTIAL IN-KIND

REPLACEMENT. MODIFY NEW AND EXISTING WOOD COMPONENTS TO ACCOMMODATE

THE NEW SHEATHING AND UNDERLAYMENT. RESTORE WOOD COMPONENTS

SCHEDULED TO REMAIN TO THEIR ORIGINAL DIMENSIONS AND PROFILES. SECURELY

ATTACH LOOSE COMPONENTS USING NAILS AND SCREWS AS REQUIRED. COUNTERSINK

NAIL AND SCREW HEADS AND COVER COUNTERSUNK AREAS WITH APPROPRIATE WOOD

FILLER.

1.10 WINDOWS - BASE BID

1. REPAIR THE WINDOWS IN PLACE. THIS WILL INCLUDE REPLACEMENT OF ANY DAMAGED

GLAZING, REMOVAL OF PAINT FROM ALL ACCESSIBLE WOOD COMPONENTS, AND

REPAINTING. REMOVE ANY ROTTING AREAS, FILL CRACKS WITH EPOXY AND WOOD

FILLER AS REQUIRED, AND PERFORM FULL OR PARTIAL-DEPTH REPLACEMENT OF

MISSING WOOD AS REQUIRED. REPLACE ANY MISSING OR DAMAGED HARDWARE WITH

MATCHING (MATERIALS, FINISH, AND APPEARANCE) HISTORICALLY APPROPRIATE

HARDWARE. NPS MUST REVIEW AND APPROVE ALL HARDWARE SELECTION PRIOR TO

PURCHASING MATERIAL.

1.11 WINDOWS - OPTION 4

1. REMOVE, STORE, AND PROTECT WINDOWS (INCLUDING THE FRAME AND SASH) TO

PERFORM OFF-SITE RESTORATION. DOCUMENT ANY PORTIONS OF FENESTRATION

CONCEALED WHILE IN SITU. THIS INCLUDES REMOVAL OF INTERIOR FINISHES AS

REQUIRED TO ACCESS THE FRAME.

2. PROVIDE PLYWOOD AND TEMPORARY WATERPROOFING IN WINDOW OPENINGS

THROUGHOUT CONSTRUCTION. CONTRACTOR IS RESPONSIBLE FOR KEEPING BUILDING

AIRTIGHT AND WATERTIGHT THROUGHOUT CONSTRUCTION.

3. PERFORM OFF-SITE RESTORATION OF WINDOWS. THIS WILL INCLUDE REPLACEMENT OF

DAMAGED AND LOOSE GLAZING, REMOVAL OF PAINT FROM ALL EXPOSED WOOD

COMPONENTS, AND REPAINTING. REMOVE ANY ROTTING AREAS, FILL CRACKS WITH

EPOXY AND WOOD AS REQUIRED, AND PERFORM FULL OR PARTIAL-DEPTH

REPLACEMENT OF MISSING WOOD AS REQUIRED. REPLACE ANY MISSING OR DAMAGED

HARDWARE WITH MATCHING (MATERIALS, FINISH, AND APPEARANCE) HISTORICALLY

APPROPRIATE HARDWARE. NPS SHOULD REVIEW AND APPROVE ALL HARDWARE

SELECTION PRIOR TO PURCHASING MATERIAL. MODIFY THE WINDOW FRAMES AS

REQUIRED TO ACCOMMODATE THE PERIMETER FLASHING.

4. PROVIDE INTEGRATED COPPER PERIMETER FLASHING CONSISTING OF SILL FLASHING

AND WINDOW HEAD DRIP FLASHING AT ALL WINDOWS.

5. REINSTALL THE OPERABLE SASH AND WINDOW FRAME.

1.12 METAL FLASHING - BASE BID

1. REMOVE AND DISPOSE OF METAL FLASHING AND UNDERLAYMENTS (IF PRESENT) ON

LOWER FLAT-SEAM ROOF AND ON BASE OF CEDAR ROOF, AS DESCRIBED IN 1.2.2.

2. REPLACE DAMAGED WOOD BLOCKING. INCLUDE 45 LINEAR FT IN THE BASE BID.

3. REPLACE DAMAGED WOOD SHEATHING. INCLUDE 45 SQ FT IN THE BASE BID. PERFORM

ADDITIONAL DECK REPLACEMENT ON A UNIT PRICE BASIS, UNIT PRICE 14.

1.6 RUSTICATED WOOD BASE - BASE BID (CONT.)

2. REMOVE /DISPOSE OF EXISTING SURFACE-SEALED METAL FLASHINGS. PROVIDE NEW

BRAKE METAL SEPARATOR. EXTEND SELF-ADHERED WATERPROOFING MEMRBANE AND

FELT SEPARATOR SHEET UP BRAKE METAL SEPARATOR. INSTALL NEW METAL FLASHING

AND REGLET-SET COUNTERFLASHING. COAT WITH FLUID-APPLIED WATEROOFING TO

MATCH EXISTING.

3. PERFORM SPOT REPAIRS TO THE EXPOSED WOOD CLADDING OF THE CUPOLA ABOVE

THE PEDIMENT AS NOTED IN ITEM 1 ABOVE.

4. REPAINT THE WOOD WITH AN EXTERIOR GRADE PAINT SYSTEM. PROVIDE TWO COATS

OF PAINT OVER A PRIMER COAT.

5. SEE SEC. 1.14 FOR SCOPE OF WORK AT LOWER FINIALS.

1.7 RUSTICATED WOOD BASE - OPTION 2

1. AFTER PERFORMING THE SURVEY DESCRIBED IN SEC. 1.2.3 REMOVE, STORE, AND

PROTECT THE WOOD CLADDING AT THE RUSTICATED CUPOLA PEDESTAL BELOW THE

METAL CORNICE ROOF.

2. REPLACE DETERIORATED WOOD SHEATHING (IF PRESENT) BELOW RUSTICATED WOOD

BASE. ASSUME 320 SQ FT REPLACEMENT IN THE BASE BID. PERFORM ADDITIONAL

REPLACEMENT ON A UNIT PRICE BASIS, UNIT PRICE 12.

3. IF SHEATHING IS NOT PRESENT, PROVIDE THIN SHEATHING, SUCH AS BRAKE METAL, TO

SUPPORT THE MEMBRANE UNDERLAYMENT AND A DRAINAGE LAYER UNDER THE WOOD

CLADDING OF THE RUSTICATED WOOD BASE.

4. PROVIDE CONTINUOUS MEMBRANE UNDERLAYMENT AND A DRAINAGE LAYER BELOW

THE WOOD CLADDING. EXTEND THE UNDERLAYMENT UP THE RISING WALL A MINIMUM

OF 18 IN. INTEGRATE THE SELF-ADHERED MEMBRANE WITH THE SLATE ROOF FELT

UNDERLAYMENT.

5. PROVIDE NEW METAL STEP FLASHING RISING MINIMUM 12 IN. UP BRAKE

METAL/SHEATHING. SECURE STEP FLASHING WITH NEW METAL COUNTERFLASHING.

6. REINSTALL THE WOOD CLADDING. MODIFY AS REQUIRED TO FIT NEW SHEATHING AND

UNDERLAYMENT. TERMINATE THE WOOD CLADDING A MINIMUM OF 3 IN. ABOVE THE

SLATE ROOF. INCLUDE 320 SQ FT REMOVAL/REINSTALLATION IN THE BASE BID.

PERFORM ADDITIONAL REPLACEMENT ON A UNIT PRICE BASIS, UNIT PRICE 13. FOR

REPLACEMENT OF WOOD COMPONENTS, ASSUME ACETYLATED WOOD (ACCOYA) WITH

MAHOGANY AS THE ALTERNATE.

7. REPAINT THE PEDESTAL. PROVIDE TWO COATS OF PAINT OVER A PRIMER COAT.

PROVIDE AN EXTERIOR GRADE PAINT. PERFORM SPOT REPAIRS TO THE EXPOSED

WOOD CLADDING OF THE CUPOLA ABOVE THE PEDIMENT. COAT METAL PORTIONS OF

THE PEDESTAL WITH FLUID-APPLIED WATERPROOFING TO MATCH EXISTING.

1.8 RUSTICATED WOOD BASE - OPTION 3

1. SEE OPTION 2. INCLUDE 320 SQ FT OF REPLACEMENT OF THE ENTIRE WOOD CLADDING

WITH A DURABLE AND NATURALLY ROT-RESISTANT WOOD. FOR REPLACEMENT OF WOOD

COMPONENTS, ASSUME ACETYLATED WOOD (ACCOYA) WITH MAHOGANY AS THE

ALTERNATE.

1.12 METAL FLASHING - BASE BID (CONT.)

4. PROVIDE FULLY SOLDERED FLAT-SEAM COPPER FLASHING SYSTEM OVER CONTINUOUS

SELF-ADHERED MEMBRANE UNDERLAYMENT AND SEPARATOR SHEET.

5. PROVIDE METAL CAP FLASHING AT BASE OF CEDAR ROOF. EXTEND FLASHING UNDER

CEDAR ROOF.

6. INSTALL FLUID-APPLIED WATERPROOFING MEMBRANE ON METAL FLASHING

COMPONENTS. PROVIDE CUSTOM MEMBRANE COLOR TO MATCH EXISTING AND AS

APPROVED BY NPS.

1.13 CEDAR ROOF - BASE BID

1. REPLACE DAMAGED PORTIONS OF THE CUPOLA ROOF DECKING. INCLUDE 135 SQ FT OF

REPLACEMENT OF WOOD DECKING IN THE BASE BID. PERFORM ADDITIONAL DECK

REPLACEMENT ON A UNIT PRICE BASIS, UNIT PRICE 15.

2. PROVIDE SELF-ADHERED MEMBRANE FLASHING AND VENTILATING UNDERLAYMENT ON

THE ROOF DECK. INTEGRATE MEMBRANES WITH COPPER FLASHING AT BASE OF DOME.

3. PROVIDE NEW CEDAR SHINGLES.

1.14 FINIALS (LOWER AND UPPER) - BASE BID

1. PERFORM IN SITU REPAIRS TO THE FINALS (E.G. PREPARE SUBSTRATES AND PROVIDE

WOOD FILLER) TO INFILL SMALL AREAS WHERE THE WOOD IS DETERIORATED. APPLY

ADDITIONAL GOLD LEAF TO THE UPPER FINIAL BALL.

2. REPLACE THE FINIAL BASES WITH A DURABLE AND NATURALLY ROT-RESISTANT WOOD.

FOR REPLACEMENT OF WOOD COMPONENTS, ASSUME ACETYLATED WOOD (ACCOYA)

WITH MAHOGANY AS THE ALTERNATE. MATCH THE ORIGINAL GEOMETRY OF THE

DAMAGED WOOD.

3. REPLACE THE FLASHINGS ON THE FINIALS AND FINIAL BASES. INTEGRATE THE

FLASHINGS WITH THE METAL ROOF AND CEDAR ROOF ON THE LOWER AND UPPER

FINIALS, RESPECTIVELY. PROVIDE NEW COPPER CAP FLASHING ON UPPER AND LOWER

FINIALS.

4. INSTALL FLUID-APPLIED WATERPROOFING MEMBRANE ON METAL FLASHING

COMPONENTS. PROVIDE CUSTOM MEMBRANE COLOR TO MATCH EXISTING AND AS

APPROVED BY NPS.

5. REINSTALL THE FINIALS AND FINIAL BASES.

1.15 LIGHTNING PROTECTION - BASE BID

1. PERFORM AN ANALYSIS OF THE EXISTING LIGHTENING PROTECTION SYSTEM TO

CONFIRM IT PROVIDES THE REQUIRED UL CERTIFICATION.

2. REINSTALL ON THE BUILDING IF NPS APPROVES THE DOCUMENTATION FOR THE

LIGHTNING PROTECTION CONFIRMING IT PROVIDES THE REQUIRED UL CERTIFICATION.

1.16 LIGHTNING PROTECTION - OPTION 5

1. IN THE EVENT THAT THE LIGHTENING PROTECTION DOES NOT MEET THE UL

CERTIFICATION REQUIREMENTS. PERFORM THE REQUIRED ANALYSIS, DESIGN AND

INSTALLATION FOR A LIGHTNING PROTECTION SYSTEM FOR THE ENTIRE BUILDING TO

PROVIDE THE REQUIRED UL CERTIFICATION.