Ronald Owen Hamburger

Revision to pa 2021-0719-4668.increase size of bearing plate on high strength threaded rods to accommodate 1,000 kip jacking loads.

23/f-24/f: strengthening of existing steel framing for installation of a new high density shelving unit.

Revision to pa# 2018-1207-7828. to abandon indicator pile no. 1 and to add indicator pile no. 2, with a rock-socket diameter of 24 inches, located 8 feet to the north along fremont street.

Revision to pa# 201812047402,to reduce the quantity of piles from 52 to 18 and to reduce the vault extents accordingly,to relocate the piles 8" farther from the building face,to modify the locations of piles to avoid existing utilities,to increase the pile diameter in the rock socket form 20"to24".

Install new fall arrest tie down on e mech screen structure, penthouse roofs, mech equip pads

Install new fall arrest tie down on e mech screen structure, penthouse roofs, mech equip pads

Existing office tenant improvements for 11th fl. interior demo under pa# 202010196863.

A new communication stair and portal between 11th & 12th fl.

Add a roof terrace with outdoor seating, 42"tall guardrails set back 5' from (e) bldg parapets & new stair vestibule. demolition (e) partitions & assosciated power/data & floor finishes. construct new partitions, doors, power & tele/data, lighting, millwork & finish. 2 new restrooms.

Temporary removal of cladding on tower legs above 4th level. to facilitate construction of broadcast repacking and structural upgrade performed under separate permits. cladding will be replaced after completion.

Voluntary structural (seismic & wind) upgrade. note: link to environmental case #20070206e-3

To comply with nov# 202178667. remove cladding on leg b remove cladding legs a and c from 30 ft above base. paint tower legs and the horizontal and vertical faces of the horizontal levels 2, 3, and 4 and all of levels 5 and 6 in aviation orange and white.

Indicator pile located on mission and fremont street sidewalk. reference to perimeter pile upgrade permit application #201812047402

**paralle plan check", shoring and excavation on freemont and mission. reference to perimeter pile upgrade permit application #201812047402

Parallel plan check, voluntary seismic upgrade and foundation stabilization, addition of new piles, extending to rock, and tranfer approximatly 20% of building weight to the new piles with intent of arresting boilding settlement and improving the foundation lateral capacity.

Sub surface exploration consisting of 2 borings to approx. 250 feet below the top of the basement mat foundation, to obtain data for future foundation retrofit design, no exterior work.

Reconfigure broadcast antenna for kgo, kron, kbcw, lptv, kfog to accomodate federally. mandated frequency band modification includes remove & replace mast atop leg b. structural strengthening as necessitated by above.

Installation of eight foot parapet wall extension. move antennas to new locations on roof; screening existing antennas. relocation only no additional antennas

Vertical addition. add 2-story to existing garage create new single family dwelling.

Install 1 low power fm antenna on sutro tower.