PL06_C-02.pdf

SECOND HIGH

RESERVOIR

WARREN ST NW

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VERPLANCK PL NW

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EXISTING 10'' SANITARY

SEWER

EXISTING 8'' WATER

LINE

EXISTING 8'' GAS

LINE

APPROXIMATE 1,775 LF OF

EXISTING 8' CHAIN LINK FENCE TO

BE REMOVED AND REPLACED

WITH 8' PICKET FENCE

EXISTING 24'' STORM

SEWER

EXISTING 10''

SANITARY SEWER

EXISTING 6''

SANITARY SEWER

EXISTING 10''

SANITARY SEWER

EXISTING 24'' STORM

SEWER

EXISTING 15'' STORM

SEWER

EXISTING 10''

SANITARY SEWER

EXISTING 6'' GAS

LINE

APPROXIMATE

RESERVOIR LIMIT APPROXIMATE

RESERVOIR LIMIT

APPROXIMATE

RESERVOIR LIMIT

APPROXIMATE

RESERVOIR LIMIT

EXISTING SAMPLE BUILDING

TO BE DEMOLISHED AND

REPLACED WITH A NEW

BUILDING, SEE SHEET S-02

FOR SAMPLE BUILDING

DEMOLITION PLAN

EXISTING MANHOLE

TO REMAIN (TYP OF 8)

EXISTING 36'' CI

EFFLUENT PIPE

EXISTING 36'' CI

INFLUENT PIPE

EXISTING 24'' CI

DRAIN PIPE

EXISTING 24'' DRAIN

PIPE SEGMENT TO

BE DEMOLISHED

EXISTING APPROXIMATE 65' CONCRETE

LANDING TO BE DEMOLISHED AND REPLACED

WITH A NEW SIDEWALK, SEE SHEET C-11

EXISTING 24'' TERRACOTTA DRAIN PIPE,

SEE PROFILE ON SHEET C-08

EXISTING 36''

GATE VALVE

APPROXIMATE 70 SY EXISTING AREA TO BE

REPAIRED, SEE DETAIL 5, SHEET C-10, AND

GENERAL NOTE 12 ON THIS SHEET

EXISTING VENT AND CONCRETE

STRUCTURE TO REMAIN

EXISTING VENT AND CONCRETE

STRUCTURE TO REMAIN

EXISTING STAIR

TO REMAIN

EXISTING SWING GATE TO BE

REPLACED WITH NEW PICKET

SINGLE SWING GATE, SEE

DETAIL 5 SHEET C-11

APPROXIMATE 20' WIDE EXISTING

MOTORIZED SLIDING GATE TO BE

REPLACED WITH A NEW PICKET

MOTORIZED SLIDING GATE

FOR DEMOLITION STRUCTURAL

WORK SEE SHEET S-02,

FOR DEMOLITION ARCHITECTURAL

WORK SEE SHEET A-01,

FOR DEMOLITION ELECTRICAL

WORK SEE E-03

EXISTING DIRECT BURIED

CONDUITS TO GATE AND LIGHTS

EXISTING DIRECT

BURIED CONDUITS

TO CAMERA

EXISTING

DUCTBANK

LOD LOD LOD LOD LOD LOD LOD LOD LOD LOD LOD LOD

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EXISTING ABANDON

TERRACOTTA DRAIN

PIPE

DRAWING NUMBER PLATE

SCALE: DATE: SHEET:

WASHINGTON AQUEDUCT

WASHINGTON, DC

MAINTENANCE AND IMPROVEMENTS

MARCH 2022

SECOND HIGH RESERVOIR

Nova Consulting

U.S. ARMY ENGINEER DISTRICT, BALTIMORE

CORPS OF ENGINEERS

BALTIMORE, MARYLAND

STEVEN S. EAGLE, PE

SCALE: 1"=30'-0"

0 30 60

GENERAL SHEET NOTES

KEY PLAN

1. FOR SAMPLE BUILDING DEMOLITION WORK, SEE ARCHITECTURAL SHEET A-01,

STRUCTURAL SHEET S-02, AND ELECTRICAL SHEET E-03.

2. CONTRACTOR SHALL INSTALL TEMPORARY PLUG OVER EACH ACCESS PORT

BEFORE DEMOLITION.

3. ALL EQUIPMENT ASSOCIATED WITH THE EXISTING FENCE AND GATE INCLUDING

BUT NOT LIMITED TO THE GATE MOTOR, CAMERAS, SMART CARD READER AND

KEYPAD EXTRA SHALL BE TESTED IN THE PRESENCE OF THE GOVERNMENT

REPRESENTATIVE IMMEDIATELY PRIOR TO REMOVAL, THEN, THE CONTRACTOR

SHALL REMOVE WITHOUT ANY DEGRADATION IN CONDITION, SALVAGE AND TURN

THE EQUIPMENT OVER TO THE GOVERNMENT FOR STORAGE AND FUTURE

REINSTALLATION/REUSE ON THE NEW PICKET FENCE BY THE GOVERNMENT'S

APPROVED SECURITY CONTRACTOR. THE CONTRACTOR SHALL COORDINATE

THE REQUIRED REINSTALLATION AND RETESTING WITH A MINIMUM OF THIRTY

(30) CALENDAR DAYS NOTICE AND PRIOR TO COMPLETION OF THE WORK IN THIS

CONTRACT.

4. THE CONTRACTOR SHALL COORDINATE ALL WORK AS REQUIRED WITH THE

OWNER REGARDING THE LOCATION OF TEMPORARY STORAGE AND USE OF

DUMPSTER, LOADING DOCKS, ETC.

5. THE CONTRACTOR SHALL EXECUTE THE DEMOLITION WORK IN A CAREFUL AND

ORDERLY MANNER WITH MINIMAL DISTURBANCE. ALL DEMOLITION MATERIALS

ARE TO BE REMOVED AS INSTRUCTED BY THE OWNER.

6. THE CONTRACTOR SHALL VERIFY THAT THE EXTENT OF DEMOLITION SHOWN ON

THE DEMOLITION DRAWINGS IS APPROPRIATE TO PERMIT THE NEW WORK TO BE

ACCOMPLISHED. ANY DAMAGE WHICH MAY BE CAUSED TO ANY PART OF

EXISTING CONSTRUCTION TO REMAIN AS A RESULT OF DEMOLITION WORK SHALL

BE THE RESPONSIBILITY OF AND BE CORRECTED BY THE CONTRACTOR AT NO

COST TO THE GOVERNMENT.

7. THE CONTRACTOR SHALL EVALUATE THE EXISTING CONDITION OF THE SOIL

AROUND THE ENTIRE PERIMETER OF THE RESERVOIR AND DOCUMENT IT IN THE

REQUIRED PRECONSTRUCTION PHOTOS. THE CONTRACTOR SHALL NOTIFY THE

GOVERNMENT OF ANY SPECIFIC AREAS THAT APPEAR DISTURBED OR THAT

APPEAR TO HAVE EROSION OR DRAINAGE CONCERNS.

8. ANY EXISTING FACILITY SCHEDULED TO REMAIN BUT DAMAGED DURING

DEMOLITION, SHALL BE FULLY RESTORED AND MADE STRUCTURALLY AND

FUNCTIONALLY SOUND AT NO ADDITIONAL COST TO THE GOVERNMENT.

9. SCHEDULING FOR ANY DEMOLITION WORK REQUIRING THE USE OF HEAVY DUTY

EQUIPMENT ON OFF-HOURS OR WEEKENDS SHALL BE REVIEWED AND AND

REQUIRE PRIOR APPROVAL BY THE GOVERNMENT.

10. REFER TO MECHANICAL, PLUMBING, & ELECTRICAL DOCUMENTS FOR EXTENT OF

MEP ITEMS TO BE REMOVED.

11. CONTRACTOR TO ESTABLISH MEASURES TO PROTECT DIRT, DEBRIS

CONSTRUCTION RUN-OFF OR OTHER POLLUTANTS ENTERING THE RESERVOIR

DUE TO DEMOLITION AND CONSTRUCTION ACTIVITIES.

12. IT IS THE CONTRACTOR'S RESPONSIBILITY TO SUBMIT RISK ASSESSMENT

REQUESTING EXISTING UTILITIES IN THE AREA TO BE MARKED 72 HOURS BEFORE

DIGGING.

13. THE CONTRACTOR SHALL EVALUATE THE EXISTING CONDITIONS OF THE SOIL

AROUND THE ENTIRE PERIMETER OF THE RESERVOIR AND DOCUMENT IN THE

REQUIRED PRECONSTRUCTION PHOTOS. THE CONTRACTOR SHALL NOTIFY THE

GOVERNMENT OF ANY SPECIFIC AREAS THAT APPEARS DISTURBED OR THAT

APPEARS TO HAVE EROSION OR DRAINAGE CONCERNS.

OVERALL DEMOLITION PLAN

AS SHOWN

80.2-2.7-06 06

C-02

CIVIL

EXISTING CONDITIONS AND

DEMOLITION PLAN

LEGEND:

DEMOLISHED AS NOTED

AREA TO BE REPAIRED AS NOTED

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WARREN ST NW

RESERVOIR LOADING LIMITATION NOTES

DEMOLITION AND SALVAGE ITEMS

1. THE CONTRACTOR SHALL PERFORM ALL DEMOLITION WORK IN ACCORDANCE

WITH THE APPLICABLE RULES, REGULATIONS, CODES, AND ORDINANCES OF

LOCAL, STATE AND FEDERAL AUTHORITIES. WHERE PUBLIC UTILITIES ARE

INVOLVED, DEMOLITION SHALL BE PERFORMED IN ACCORDANCE WITH THE

REQUIREMENTS OF THE UTILITY COMPANY HAVING THE JURISDICTION OVER THE

WORK.

2. ANY DAMAGE WHICH MAY BE CAUSED TO ANY PART OF EXISTING FACILITIES AS

A RESULT OF DEMOLITION WORK SHALL BE THE RESPONSIBILITY OF THE

CONTRACTOR AND SHALL BE CORRECTED BY THE CONTRACTOR AT NO EXTRA

COST TO THE GOVERNMENT.

3. FOR IDENTIFICATION OF EXTENTS OF DEMOLITION AND EQUIPMENT TO BE

SALVAGED FROM THE EXISTING FACILITY, REFER TO SPECIFICATION 01 14 00,

WORK RESTRICTION, PARAGRAPHS 1.3.

4. SALVAGE OF THE FOLLOWING EQUIPMENT FROM THE EXISTING SAMPLE

BUILDING FOR REINSTALLATION IN THE NEW STRUCTURE AS A PART OF

CONTRACTOR'S RESPONSIBILITY, INCLUDES THE FOLLOWING:

a. SAMPLE PUMP ENCLOSURE AND CURB COVER

b. RESERVOIR LEVEL TRANSDUCER AND ASSOCIATED LIT PANEL

c. RTO-AG PANEL AND EXTERIOR ANTENNAS

d. VERIZON NETWORK EQUIPMENT (INTERIOR AND EXTERIOR) INCLUDING

MODEM

e. INTERIOR NETWORK EQUIPMENT CABINET, CCTV AND SECURITY EQUIPMENT

f. DOOR SWITCHES

g. SAMPLE PUMP

h. EXISTING WIRES SHALL BE DISCONNECTED FROM EXISTING DEVICES, CAPPED

AND COILED FOR RECONNECTION TO NEW PANELS AND DEVICE

5. FOLLOWING REMOVAL OF THE EXISTING EQUIPMENT AND DEVICES TO BE

SALVAGED, DEMOLISH THE SAMPLE BUILDING IN ITS ENTIRETY, INCLUDING THE

STRUCTURE, SLAB, PANELS, CONDUITS, AND OTHER ITEMS NOT SPECIFICALLY

NOTED TO BE SALVAGED. EXTENTS OF STRUCTURAL DEMOLITION ARE SHOWN

ON THE DRAWINGS.

6. SALVAGE OF THE EXISTING FENCE SECURITY EQUIPMENT, INCLUDING BUT NOT

LIMITED TO CAMERA SYSTEM, ACCESS CONTROL GATES, ETC, FOR

REINSTALLATION IN THE NEW PICKET FENCE AS A PART OF CONTRACTOR'S

RESPONSIBILITY.

7. SALVAGE OF THE EXISTING 24-INCH BUTTERFLY VALVE, VALVE STEM, STEM GUIDE,

BLIND FLANGE AND FLOOR STAND ACTUATOR INSIDE THE RESERVOIR.

8. CONTRACTOR SHALL COORDINATE THE DELIVERY AND TRANSFER OF SALVAGED

MATERIAL AS DESCRIBED ABOVE, WITH WASHINGTON AQUEDUCT CONTRACTING

OFFICER REPRESENTATIVE.

9. ALL EQUIPMENT TO BE SALVAGED SHALL BE TESTED IN THE PRESENCE OF THE

GOVERNMENT REPRESENTATIVE IMMEDIATELY PRIOR TO REMOVAL. THEN, THE

CONTRACTOR SHALL REMOVE WITHOUT ANY DEGRADATION IN CONDITION,

SALVAGE AND STORE FOR FUTURE REINSTALLATION/REUSE.

10. DEMOLITION ALSO INCLUDES, BUT IS NOT NECESSARILY LIMITED TO:

a. EXISTING 24-INCH TERRACOTA DRAIN LINE

b. EXISTING PERIMETER FENCE & MOTORIZED SLIDING GATE

c. SIDEWALK

1. DUE TO THE SHAPE AND LACK OF DESIGN INFORMATION ON THE EXISTING ROOF

SLAB, THE COMBINED UNIFORM LOAD (DEAD AND LIVE LOAD) ON THIS SLAB

SHALL NOT EXCEED 275 PSF. NO CONSTRUCTION EQUIPMENT WILL BE ALLOWED

ON TOP OF THE ROOF SLAB THAT EXCEEDS THIS TOTAL.

2. THE CONTRACTOR SHALL ENSURE THAT THE TOTAL ROOF LOAD DOES NOT

EXCEED 275 PSF, i.e., 2'-0" OF EARTH FILL AND 35 PSF LIVE LOAD.

3. CONCENTRATED LOADS ARE PROHIBITED ANYWHERE ALONG RESERVOIR

ARCHED SPANS. ALL CONCENTRATED LOADS SHALL HAVE A SUPPORT SYSTEM

THAT TRANSFERS LOADS DIRECTLY TO CENTER OF EXISTING RESERVOIR

COLUMNS. CONTRACTOR SHALL BE RESPONSIBLE FOR PROVIDING SUPPORT

SYSTEMS IF REQUIRED AND SHALL SUBMIT DRAWINGS AND STRUCTURAL

CALCULATIONS FOR SUPPORT SYSTEMS, SIGNED AND SEALED BY A

PROFESSIONAL ENGINEER CURRENTLY REGISTERED IN THE DISTRICT OF

COLUMBIA. COMBINED DEAD AND LIVE LOAD TRANSFERRED TO EXISTING

RESERVOIR COLUMNS SHALL NOT EXCEED 100 TONS PER COLUMN.

4. PRIOR ANY ACTIVITY ON TOP OF THE ROOF, THE CONTRACTOR SHALL SUBMIT

LOADING DATA AND CALCULATIONS FOR ALL EQUIPMENT HE INTENDS TO USE ON

TOP OF THE ROOF, INCLUDING DEAD, LIVE & IMPACT LOADS TO ROOF AND

COLUMNS CERTIFIED BY A CURRENTLY REGISTERED PROFESSIONAL ENGINEER,

IN THE DISTRICT OF COLUMBIA, FOR APPROVAL BY THE CONTRACTING OFFICER.

5. THE APPROXIMATE LOCATIONS OF THE EXISTING COLUMNS ARE SHOWN ON THE

CONTRACT DRAWINGS. THE CONTRACTOR IS RESPONSIBLE FOR VERIFYING AND

CONFIRMING COLUMN LOCATIONS FOR LOADING.

6. CONTRACTOR SHALL VERIFY SOIL DEPTHS ON TOP OF RESERVOIR PRIOR TO

EXCAVATION.

7. BACKFILLING SHALL BE ACCOMPLISHED IN ACCORDANCE WITH SPECIFICATION

SECTION 31 00 00 EARTHWORK. IF THE CONTRACTOR DISCOVERS THAT THERE IS

MORE THAN 2'-0" OF SOIL ABOVE RESERVOIR ROOF, NO ADDITIONAL LIVE LOAD

MAY BE PLACED ON THE ROOF.

8. REFER TO SPECIFICATION 31 00 00 FOR EARTHWORK SPECIFICATIONS,

INCLUDING PLACEMENT AND COMPACTION REQUIREMENTS FOR SOIL OVER

ROOF. REFER TO SAME SPECIFICATION FOR ALL TRENCHING REQUIREMENTS.

9. CONTRACTOR SHALL BE EXCLUSIVELY RESPONSIBLE FOR PROVIDING

SCAFFOLDING, SHORING, OR ANY OTHER SUPPORTING STRUCTURES NEEDED TO

PROVIDE SUPPORT AND/OR ACCESS TO AREAS REQUIRING DEMOLITION AND

REPAIR DURING ENTIRE EXTENT OF WORK.

PROPERTY LINE

1 5/2022 AMENDMENT 0002 SSE

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REV

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DATE

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DESCRIPTION

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BY

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A/E PRINCIPAL

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SEAL:

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APPROVED:

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SCALE : 1"=30'

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