Sea Robin Pipeline Company

First Revised Volume No. 1

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Effective Date: 08/01/1999, Docket: RP99-374-000, Status: Effective

First Revised Sheet No. 17.01 First Revised Sheet No. 17.01 : Superseded

Superseding: Original Sheet No. 17.01

1.30 Gigajoule - The Standard quantity for nominations, confirmations

and scheduling per gas day in Canada. One gigajoule is equivalent to

1,000,000,000 joules. For commercial purposes, the standard conversion

factor between dekatherms and gigajoules is 1.055056 gigajoules per dekatherm.

The standard joule is the joule specified in the SI system of units.

 

1.31 PDA - a predetermined allocation. The types of PDA's are as

follows:

 

(a) Ranked PDA - the predetermined allocation methodology used to allocate

gas flow among scheduled line item nominations at a point where the line item nomination

with the lowest rank value is allocated before the next sequentially higher-ranked

line item nomination.

 

(b) Pro Rata PDA - the predetermined allocation methodology used to

allocate gas flow among scheduled line item nominations at a point where the

total quantity to be allocated is multiplied by the ratio established by taking

each scheduled line item and dividing it by the total line items applicable to

the quantity to be allocated.

 

(c) Percentage PDA - the predetermined allocation methodology used to allocate

gas flow among scheduled line item nominations at a point where the allocation is derived by

taking the total quantity to be allocated at a location and multiplying it by the

percentage provided for each line item.

 

(d) Swing PDA - the predetermined allocation methodology used to allocate gas

flow among scheduled line item nominations at a point where one of the scheduled line

items, or alternatively a separate Agreement, is designated as the "swing." All other

scheduled line items are allocated the scheduled quantity. The line item(s) identified

as "swing" are allocated the remaining difference between the total quantity to be

allocated and quantities allocated to non-swing line items, in accordance with the

instructions provided with the PDA. The swing line item(s)/Agreement is not permitted to

be allocated a quanity which would result in a negative number, therefore any negative

quantity will be allocated to the remaining scheduled line items on a pro-rata basis.

 

1.32 Gigacalorie - The standard quantity for nomination, confirmations and

scheduling per gas day in Mexico. One gigacalorie is equivalent to 1,000,000,000 calories.

For commercial purposes, the standard conversion factor between dekatherms and gigacalories

is 0.251996 gigacalories per dekatherm. The reporting basis for gigacalorie is 1.035646

Kg/cm2 and 15.6 degrees C and dry.