AG-91T5-S-10-0007 - AMENDMENT 4.docx

AG-91T5-S-10-0007

AMENDMENT 4

AMENDED DRAWING REVISIONS:

SHEET 03 - Slightly changed the location of the restroom building.

SHEETS 04, 05 - Changed all "fire hydrants" to "water hydrants" w/ 2.0 & 1.5" water pipes and valves.

SHEET 05 - Changed proposed double-unit restroom bldg to two single-unit restrooms and concrete walkway; added concrete swale at drainage area; removed asphalt demolition at upper picnic area.

SHEETS 04, 07, 08, 09 - Made the following changes to stairways:

· Changed the rise of stairs from 7.5" to 6.5" to meet accessibility requirements

· Increased the number of posts around stairs and landings to meet accessibility requirements

· Added more steps in each stairway to accommodate change in rise of each step

· Modified stair details and notes to reflect changes

· Deleted 12" concrete footings at concrete landings above and below

· For Stairway 1 - modified the retaining wall to reflect "tiered" configuration

SHEET 11 - Modified Detail 7 to change from "fire hydrants" to "water hydrants" and modified notes, providing more information on previous questions, concerning water, boulders, and designated fill material; Modified Detail 15 to reflect minimum DG-layer cover distance around grills of 3-feet.

AMENDED SPECIFICATION REVISIONS:

TABLE OF CONTENTS - Modified the Section requirements, based on the newly inserted specification sections below.

SECTIONS 02640, 02660, 02084 - Changed from "fire hydrant" to "water hydrant" requirements for valves, water distribution, and the hydrants.

SECTIONS 04100, 04220 - Added concrete masonry unit (c.m.u.) sections for retaining walls.

SECTION 13121 - Modified specification to reflect changes from previously proposed double-unit restroom to all single-unit restrooms for the project.

AMENDED SCHEDULE OF ITEMS REVISIONS:

Various ITEM NO.'s - Modified the ESTIMATED QUANTITIES according to re-calculated values, after amending drawings

ITEM NO. 02084 - Changed from "fire hydrant" to "water hydrant" requirements as reflected in the amended drawings and specifications.

ITEMS NO. 02224 A - Added "importing of suitable fill" requirement, based on transport of 5 miles from project location, as referenced in "Notes" from SHEET 11 of the amended drawings.

ITEM NO. 02640 - Changed number of valves and enclosures based on the change from "fire hydrants" to "water hydrants" requirements.

ITEM NO. 03300 H - Added quantity for retaining wall footings at Staircase 1

ITEM NO. 04220 A - Added section for retaining wall at Staircase 1

ITEM NO. 13121 A,B - Modified quantities of single-unit restroom buildings after deleting the double-unit restroom previously proposed; modified the line items to reflect a difference in cost for transporting/ installing the single-unit at the Upper Parking Area and the single-unit restrooms at the Main & Lower Picnic Areas.