")

") ")")

")

")

")

")

")

")

STA. 535

STA. 520 STA. 517

STA. 515

STA. 505

STA. 205STA. 200

STA. 190

STA. 185

STA. 240

VA

WV

DE

DC

PA

NJ

MD

STA. 195

DE

NJ

NYELK

YORK

CENTRE

PIKE

BERKS

LYCOMING

KENT

INDIANA

CLINTON

BEDFORD

LUZERNE

SOMERSET

CLEARFIELD

BLAIR

BUCKS

HARDY

PERRY

LANCASTERCHESTER

SUSSEX

FRANKLIN

CAMBRIA

ADAMS

TIOGA

MONROE

WAYNE

GRANT

HUNTINGDON

SCHUYLKILL

SUSSEX

POTTER

DAUPHIN

CECIL

FREDERICK

BURLINGTON

JEFFERSON

GARRETT

FULTON

MIFFLIN

ATLANTIC

HAMPSHIRE

BALTIMORE

SULLIVAN

LOUDOUN

SALEM

UNION

JUNIATA

SULLIVAN

FAIRFAXFAUQUIER

CARROLL

COLUMBIA

FOREST

LEHIGH

CARBON

KENT

HARFORD

WARREN

WYOMING

ALLEGANY

CUMBERLAND

MORRISSNYDER

CAMERON

LEBANON

CUMBERLANDMINERAL

CLARION

BRADFORD

FREDERICK

SHENANDOAH

NEW CASTLE

WASHINGTON

HUNTERDON

PAGE

LACKAWANNA

MONTGOMERY

MONTGOMERY

CAROLINE

MCKEAN

TALBOT

BERKELEY

PENDLETON

ANNE ARUNDEL

HOWARD

SOMERSET

MERCER

PRINCE GEORGES

CAMDEN

MORGAN

NORTHAMPTON

WESTMORELAND

GLOUCESTER

WARREN

NORTHUMBERLAND

ORANGE

CAPE MAYCLARKE QUEEN ANNES

WARREN

ROCKINGHAM PRINCE WILLIAM

JEFFERSON

DELAWARE

RAPPAHANNOCK

MONTOUR

SUSQUEHANNA

CALVERTCHARLES DORCHESTER

ARMSTRONG

PHILADELPHIAFAYETTE

MIDDLESEX

BALTIMORE CITY

CULPEPER

WASHINGTON

MONMOUTH

ARLINGTONALEXANDRIA

RANDOLPH

WINCHESTER

FAIRFAX CITY

PASSAIC

ULSTER

MANASSAS CITY

MADISON

FALLS CHRUCH

MANASSAS PARK CITY

LEIDY SOUTHEAST PROJECTPROJECT LOCATION MAP

TRANSCONTINENTAL GAS PIPE LINE COMPANY, LLC.June 03, 2013

GAS PIPELINE

4

1 2

3

56

109

PROPOSED PROJECT SCOPELEIDY SOUTHEAST PROJECT

FACILITIES MODIFICATIONS

MILEPOSTSM.P. LL 17.70 to M.P. LL 22.99M.P. L 57.51 to M.P. L 68.95M.P. L 0.12 to M.P. L 6.91 M.P. 1776.79 to M.P. 1783.00

1516

")")

")

")

")

")

")

")

")

")

")

")

")

PAMD

VA

DCWV

NC

TN

OH

STA. 170

STA. 145

STA. 150

STA. 155STA. 160

STA. 165

STA. 175

STA. 180

STA. 185

STA. 190

STA. 195

1717

17

17

Legend

") EXISTING TRANSCO COMPRESSOR STATIONPROPOSED LEIDY SOUTHEAST PIPELINEEXISTING TRANSCO PIPELINEPROPOSED NESL PIPELINEURBAN AREAS

:

0 20 4010Miles

0 100 20050Miles

17

5)

6)7)8)

9)

10)

11)12)

13)14)15)

16)

17)

18)

19)

1)2)3)4)

FIGURE 1.1-1 REV. H (PO)

8

121311

19

STA 520 - Add 1 ea. Solar Titan 130S (20,500 ISO HP) with gas cooling and inlet filtration in Lycoming County, PA STA 520 - Replace aero assemblies and obsolete controls on units #6 and #7STA 520 - Modify yard piping to allow recip gas coolers to discharge gas eastbound.STA 517 - Install 1 ea. Solar Titan 250S (30,000 ISO HP) with gas cooling and inlet filtration in Columbia County, PASTA 517 - Install new aero assemblies on units #1 thru #4 2 ea. Solar Centaur, 1 Mars 90, and 1 Mars 100STA 517- Replace Mars 90 engine on Unit #3 with new Solar Mars 100S(16,000 ISO HP) SoLoNox turbineSTA 517 - Replace obsolete controls on unit #4STA 515 - Install 1 ea. Solar Mars 100S (16,000 ISO HP) with gas cooling and inlet filtration in Luzerne County, PA STA 515 - Modify yard piping to allow for recip gas coolers to discharge gas eastbound.STA 515 - Replace obsolete controls on Unit #6STA 205 - Uprate existing electric motors on Units #1 and #2 from 9,500 to 10,500 HPand rewheel Unit #3STA 205 - Piping modifications to increase hydraulic efficiency through STA-205and modify existing valve/ operators to be RCV's at Princeton Junction Install deodorizing filters & 4" odorized gas header for each valve site, meter and compressor station to filter or masked fully odorized gas stream (incl. filters for fugitive emissions). Install odorant facilities at each recipt meter. Install Chromatographs at each compresor station. a. Station 190 to 185 (10 valve sites, 57 valves, 4 deliveries, 0 receipts, 1 station) b. Station 185 to 180 (2 valve sites, 14 valves, 2 deliveries, 0 receipts, 1 station) c. Station 180 to 175 (2 valve sites, 21 valves, 2 deliveries, 0 receipts, 1 station) d. Station 175 to 170 (0 valve sites, 0 valves, 3 deliveries, 0 receipts, 1 station) e. Station 170 to 165 (2 valve sites, 16 valves, 3 deliveries, 0 receipts, 1 station) f. Install odorization facilities including odorant storage, pumps, chromatographs, controls and programming at Sta 165Install RCV Operator / valve automation at crossover sites on the proposed pipeline loopingGrover (STA 145) - Install back pressure regulator (Cleveland County, NC)

42-in. Dorrance Loop42-in. Franklin Loop42-in. Pleasant Run Loop42-in. Skillman Loop

5.2911.456.866.35

LENGTH IN MILESPIPELINE7

14

FOR DISCUSSION PURPOSES ONLYSUBJECT TO REVISION

17