Demo low voltage cabling in phone closet to be removed.

Reader control panel, fl (13-8905)

Install access control system on 48th floor for the claro group, tenant (13-6214)

Minor interior office renovation of existing 2nd floor office space.

Interior alterations in existing office building to remove one wall and door at the reception area of the existing office space on the 37th floor as per plans. (no electrical work under this permit)

Revision to permit # 100261106 to change plumbing contractor

Interior alterations in existing office building to the existing office and tenant space on the 2nd, 8th & 9th floors as per plans.

Hardwire (53) open area office cubicles wiht (2) 1 volt duplex receptacles per station. Circuits by gcs electrician. 45th floor.

Interior alterations to existing 4th floor (north) office space as per plans (trustwave).

Erect one scaffold sky climber from 6 25 09 to 6 24 10

Interior alterations to an existing 10th floor tenant office per plan

Electrical work in rooms and corridor

Card reader installation, fl 19 (13-9418)

Revision to permit for audited self-cert. Permit no. 100379828. Interior alterations to existing 41st and 42nd floor office spaces for tenant office space as per plans

Erect 1 spider safeworks modular platform scaffold

Reconfigure or rewire 1 voice and data workstations as needed. 51st and 52nd floors.

Install one set of non-illuminated letters "fifth third bank" & logo 25" high x 87. 5" long

Install access control system on 24th floor for bear stearns (13-5409)

Furnish and install conduit and wiring for 2 magnetic door locks

Installation of new hoist ropes on elevator #5 9-stops ?-rise. Pursuant to scope of wrik submitted.

Routing electrical maintenance

Self cert - interior alterations to existing full floor office (e-business) tenant. Scope is 2964 sf on 32nd floor of existing office high rise. No change to lease area or demising partions, no changes to exits. K & l gates

Install one illuminated sign to the interior wall facing the window on the northwest elevation, to read: wintrust banking center.

Install (4) flush floor fittings for audio visual cabling and re-work existing lighting for new room layout

Erect 1 spider safeworks modular platform scaffold from 5 10 2013 to 5 10 2014.

Interior alterations to existing 4th floor office space as per plans. Conditional permit subject to audit & field inspection

Erect one scaffold only, no other work: daily facade maintenance work, bldg facade maintenance 10 14 09 to 10 14 10

Interior alterations to existing office space in suite 56 as per plans. No change in use self cert conditional permit: subject to field inspections

Install combination power and data poke through device and undercabinet lighting in reception desk

Structured cabling; 50th fl, berkeley research group, job#64635

Revision to permit # 100506642 to change the electrical contractor to ashburn power & light inc.

Hardwire open area office partitions on 6th floor. Circuits by others

Hardwire open area office partitions on 7th floor. Circuits by others.

Project is interior alteration of existing office space for new office tenant. Hvac is existing, re-balancing only, electrical work is alteration of existing circuits at existing panel, pluming is existing with a dishwasher being added.

Voice data cabling, 14 (19-9723)

Interior alterations to existing full floor office tenant, for new private offices. No change to existing exits or means of egress. No change to lease area.

Revision to permit for audited self-cert. Permit no. 100378235. Interior alterations to 24th & 25th floor offices per plan

Rework existig cicuits for office cubes

Replace two walk in coolers. Condensing units to remain. New refrigeration box only. Two . 5 h. P.,air cooled,located on top of the walk in coolers.

Interior alterations to existing retail space on the first floor of an existing office building as per plans. Project subject to audit and field inspection.

Replace hoist ropes on 23-floor traction passenger elevator #6. Pursuant to scope of work submitted and an inspection by the city of chicago elevator bureau.

Security system upgrade (13-1214)

Self-certification. Interior renovation of existing suite 20 in a high-rise building for use as business office use. Tenant specializes in business communications. Selective demolition, new partition construction and plumbing, hvac, and electrical work is required.

Replace suspension means on (1) 3500# cap., 53-stop, gearless, passenger elevator (#13 car). (ev003991)

Replace suspension means on (1) 3500# cap., 43-stop, gearless, passenger elevator (#18 car). (ev003991)

Interior renovation to existing office space on the 26th floor only per plans

Remodel of existing office space for new office space. Work includes selective demolition of existing partitions and ceilings and finishes. Construction includes a new pantry with plumbing, reuse of existing electrical circuits and rebalancing of the hvac to this space.

This permit application will be used to transfer the electrical contractor from maron electric to continental electric on building permit# 100270076. Job# 629-188

Access control & cctv surveillance system expansion, 4th fl (13-1645)

Sound masking work (trustwave) (09-5355)

Installation of a low voltage security alarm system job # 332-56498 at &t adt sales rep ronald russell

Self-cert: interior demolition only to 6th and 7th floors and partial 4th floor office space as per plans

Repairs to existing first floor kitchen and dinning room to include: remove replace quarry floor tiles ,remove replace 2 x 2 ceiling tiles, install new wall tiles, patch repair drywall as needed through out,install new cabinetry for service and carry out locations. Plumbing repairs to include: remove replace six plumbing fixtures to existing rough - in locations. Electrical repairs to include:install twenty six lighting fixtures,repairs to existing electrical circuits. All work same as existing and subject to field inspection.

Security system, 41 & 42 (03-1822)

Interior renovation of existing 24th floor office space as per plans. Self-certification project - conditional permit: subject to audit & field inspections

Interior alterations to existing office space on the 49th floor as per plans.

Erect 1 spider safeworks modular platform scaffold from 05 09 2012 to 05 09 2013.

Self-cert: interior build-out of 6th and 7th floors and partial 4th floor office space as per plans. Structural peer review included

The project described in these documents is an interior buildout of an existing suite to accommodate the specific business functions of the new tenant. This work includes partition demolition and construction, mechanical, electrical, and plumbing work for offices and associated spaces.

Interior alterations to existing high rise to include alterations to 1st floor lobby, and modifications to exterior wall and storefront system. Includes all mep trades and structural work. No change to existing e-business occupancy. Certified plan corrections project - conditional permit: subject to field inspections

Tenant buildout for a new barber shop on first floor.

Tenant remodel build out of office space; suite 700

Interior alterations to existing office space (suite 700) for the addition of two security doors and repair of adjacent area comprising approximately 1 square feet (no new h. V. A. C., no new plumbing)

Removal work only, of existing non-load bearing partitions, lighting, office equipment, pre-action sprinkler system, raised floor, & supplemental ac units at the 26th floor, suite 2600, comprising approximately 3,5 sq. Ft. As per plans. No new work is included as part of this contract.

Erect 2 altrex brand modular scaffolds with z-mac and poer climber from 10 09 20 to 10 09 2011.

Interior alteration to existing tenant build-out, same use-office, on the 8th and 9th floors as per plans.

Change plumber to gehrett plumbing for permit 100524866

Security system work (trustwave) (03-5282)

Install voice data cabling in existing tenant suite

Interior alterations to existing 41st and 42nd floor office spaces for tenant office space as per plans

Installation of (1) internally illuminated sign to be mounted behind the glass

Interior alteration to existing office space on the 6th floor comprising approximately 4,0 sq. Ft including electrical and ventilation as per plans. Conditional permit subject to field inpsection.

Voice data cabling (19-7540)

Revision to permit # 1002613 to change general contractor & plumbing contractor

Interior buildout to 15th floor tenant space in an existing 57 story office building

Suite 22 - new interior demising alteration at w madision street on the 22nd floor. Work includes general construction, finishes, mechanical and electrical. No refrigeration, plumbing or structural work is to be performed. As per plan

Revision to permit # 100245501 issued 07 17 2008 to change hvac contractor of record.

Audio visual work (mitel) (09-5450)

Install low voltage closed circuit tv cameras conduit by others

Wire door access system, all conduit and wire installed by others. Install customers security equipment

Revision to permit for audited self-cert. Permit no. 1003349 interior alteration to existing tenant build-out, same use-office, on the 8th and 9th floors as per plans.

Revision to change electrical contractor. Scope of work to remain the same.

Interior alterations to an existing tenant office space on the 38th floor per plan

Interior alterations to existing 45-47th floors as per plans. Erect new interconnecting stair.

Erect 2 altrex brand modular scaffolds with z-mac and poer climber from 10 09 2009 to 10 09 2010.

Erect 1 sky climber one man work basket from 8 21 2013 to 8 21 2014.

Installation of 37 voice and data workstation locations.

Interior alterations to existing office space on the 44th and 45th floors as per plans.

Removal of non-load bearing partitions and plumbing fixtures as per plans.(no structural work)

Replace 1type i hood and make up air system systems

Voice data cabling - 7th fl (19-6734)

Alteration to existing tenant build-out, same use, on the 5th floor as per plans.(conditionally approved, subject to field inspections)

Change in electrical contractor on building permit application number 100218449. Its being changed from kelso to maron electric. Demolition work to be done on the 45th, 46th, & 47th floors

Voice data cabling work (crowe horwath) (19-7140)

Erect 1 sky climber scaffold from 09 04 20076 to 09 04 2008

Tear off and replace roof

Alterations to existing office space (10th floor) per attached plans.

Interior alterations to existing tenant space in suite 27 as per plans.

Interior alterations to existing demised space in suite 3 on the 2nd and 3rd floors of w madison street. Conditional permit -- self cert plans -- contingent upon field inspections

Interior alterations to existing office space on the 50th floor as per plans.

Installation of a bcm telephone system an locations rosebud 312-325-97 #16157025

Erect 2 altrex scaffold with spider zmac motors

Erect 2 altrex modular with z-mac hoists scaffolds from 05 03 07 to 05 03 08

Interior alterations to 24th & 25th floor offices per plan

Monthly electrical maintenance.

Interior alterations to existing office space

Interior alterations to existing 49th floor office space per plans. Tenant: front barnett

Interior alterations to the 5th floor; tenant space 501 for new wellness center as per plans.

Replace suspension means on (1) 3500# cap., passenger elevator serving 23 floors (#7 car). (ev003991)

Interior renovations 48th floor tenant per plans -- conditional permit -- self cert plans -- contingent upon field inspections

Reference building permit # 100350600. Change in electrical contractor.

Replace 3 incandescent chandeliers with 24 compact flourescent can lights and add 6 new circuits in the kitchen for niscellaneous small equipment

Erect 1 scaffold from 4 27 15 to 4 27 16

Revision to permit # 100152824. Interior alterations to existing fitness center as per plans.

Interior alterations to existing 46 & 47th floors as per plans (stair infill and restroom renovation)

Interior alteration of existing office suite 6 - conditional permit subject to field inspection

Revisions to existing permit #100110925. Remove visual alarm from scope of work; remove one card reader access from scope of work. Contractor changes. Conditional permit subject to field inspection.

Alterations to existing tenant business suite per attached plans.

Additional card readers 6th fl (13-7529)

Interior build-out of tenant space - no work on demising paritions

Erect 1 spider safeworks modular platform scaffold from 09 17 2008 to 09 17 2009.

Security system work (bessemer trust) (03-8951)

Revision to change electircal contractor for permit #100068961.

Interior alterations for floors 2 and 56 for same tenant as expansion space. Business (e) occupancy. No occupancy change. General construction, mechanical, electrical and plumbing work. No structural work required. - conditional permit, subject to field inspection -

Interior tenant office build-out on three floors (11, 12 & 13) per plans. Plumbing included. -conditional permit, subject to field verification..

Interior alterations in existing office building to existing office space on the 54th floor to include partitions, pluming ventilation and electrical as per plans.

Interior demolition to non load bearing partitions for existing office space on floors 11,12,13, per plans. (plumbing & electrical within scope or work)

Interior alterations to existing 45-47th floors office space as per plans.

Install access control system on 26th floor for bear stearns, tenant (13-4906)

Add receptacles, tele data raceway @ existing offices job f-6799

Interior demolition of non load bearing partitions in existing 44th floor office space in existing office building per plans

Installing catv wiring to rooms on the 2nd, 8th, 9th floors. Along with plasma projector monitor to view.

Interior renovation of existing coffee shop. Conditional permit self-cert.

Replace hoist ropes on 11-floor traction passenger elevator #3. Pursuant to scope of work submitted and an inspection by the city of chicago elevator bureau.

Data cabling

Install voice data cabling on 6th floor for crowe chizek, tenant (19-4623)

Interior alterations to existing 20th floor office space (suite 2000) per plans. -conditional permit, subject to field verification.

Install sound masking system on 6th floor for crowe chizek, tenant (3-5201)

Self. Cert. Interior build out of an existing suite on floor 48 of a high-rise building. Tenant space will be used as offices for a law firm. Work includes partition and ceiling construction, as well as mechanical, electrical, and plumbing work.

Self cert: 49th floor existing office expansion and interior alterations as per plans.

Revision to permit #1006148 to change the electrical contractor to rise electric

Remove and replace existing outlets and switches for cabinets in 37th floor pantry.

Revision to permit # 100270076 to change plumber of record.

Security system work (nixon peabody) (13-7792)

Replace 5 8 ul gyp bd drywall, ceiling tiles and floor tiles. Sand & finish wood floors.

Monthly maintenance

Replace 12 existing light fixtures in fast food area with recessed incandescent can lights

Replace suspension means on (1) 3500# cap., gearless, passenger elevator (#21 car) serving 43 floors. (ev003991)

Erect 1 scaffold from 10 15 to 10 15 11

Monthly maintenance permit

Audio visual work (sheppard mullin) (09-8701)

Pd 191 self. Cert. Interior build out of existing space on floor 2 of a high-rise building. New space will be used as a lounge for tenants within the high-rise building. Work includes partition, mechanical, electrical and plumbing work.

Self cert. Interior alteration of existing suites on floor 34,35,36 and 43of a high-rise building. Tenant space will be used as offices for a lawfirm. Work includes partition and ceiling construction, as well asmechanical, electrical, structural and plumbing work.

Complete modernization of (28) twenty eight 3500lb. Cap. Traction passenger elevators:1,4,5 9-flrs, 2 10-flrs, 3 11-flrs 500fpm. 6,7,8,9,10,&11 23flrs, 700fpm. 11,12,13,14,15,16,&17 53-flrs 1400fpm. 18,19,20,21,&22 43-flrs 1000fpm. 23,24,25,26,27,&28 33-flrs 1000fpm. With destination dispatching. Pursuant to scope of work submitted. Ev003991

Low voltage: audio visual system - washington room

1-1 4" emt conduit only for low voltage cabling and devices by others. (12) 20a receptacles for low voltage head end devices throughout the building.

Self cert permit with structural peer review for commercial office space

Low voltage das installation.

Revision to permit for self cert audit permit number 100249106; interior alteration to existing office space on the 6th floor comprising approximately 4,0 sq. Ft including electrical, plumbing, and hvac as per plans. Conditional permit subject to field inpsection.

Interior alterations to an existing 10th floor tenant office per plan

Remove two interior walls in an existing office in suite 45 as per plan

Rework furniture and demise a lighting circuit

Installation of dual data locations on the 54th floor

Demo to suite 27 as per plans.

Installation of new hoist ropes on elevator # 4 9-stops ?-rise. Pursuant to scope of work submitted.

Install new hoist ropes on elevator #25 32-floors. Pursuant to scope of work and an inspection by the city of chicago elevator bureau.

Interior alterations to existing 49th floor office per plan. Conditional permit subject to field inspection

Monthly maintenance permit - january 2017

Revision to permit # 100430441 to change plumbing contractor to sherman mechanical, inc.

Installation of low voltage burglar alarm

Installation of pelco spectra iii camera on traffic light pole at 19 above ground level, we will also be mounting a network box at 11 above ground level. We will be attaching the camera to the network box via low voltage cableing routed inside the traffic light pole. We will be powering the network box from the nearest traffic controller box located at street level. This will be a 120vac circuit tapped off the traffic controller box running through existing manholes at the intersection.

Interior alterations in existing office building to the tenant space on the 51st and 52nd floors as per plans.

Interior alterations in existing office building on the 53rd floor, office 53 as per plans.

Erect (2) modular work cage scaffolds from 8-28-12 to 8-28-13

Change of electrical contract to hardwire open area office cubicles on 11th, 12th, and 13th floors. Original permit # 100110925

Interior alterations to existing 20th floor office space in existing office building as per plans. Conditional permit subject to audit & field inspection.

Interior renovation to existing 51st & 52nd floor offices as per plans (conditional permit subject to field inspection)(fire suppression system modifications under separate permit)

Interior alterations to 38th floor office space per plans. No plumbing work. Relocating existing hvac diffusers. No change to existing hvac equipment. -conditional permit, subject to field verification.

Interior alterations in office building at the 1st floor to existing building lobby as per plans.

Revision to permit # 10506642 issued 12 5 2013 to change the plumber of record to gehrett plumbing.

Erect spider safeworks-modular platform scaffold from 3 14 07 to 3 14 08.

Low voltage cabling on floors 4, 6, & 7 for trustwave.

Tenant build-out of a bank on the first floor of an existing multi-tenant 57 story office building work to include: demolition of wall of existing partitions, construction of new interior partition walls, new flooring and wall finishes, new acoustical and gypsum board ceilings, modifications to existing electrical, mechanical, plumbing and fire protection. Suite a conditional permit subject to field inspection.

Revision to permit #100469543 to change gc to development solutions, inc

Sound masking system 6th fl (03-7539)

Remove and replace 9 toilets, 3 urinals and faucets with associated piping in existing 15th floor men and womens bathrooms. Plumbing only. Subject to field inspection.

Security system work (2nd fl) (13-4296)

Interior alteration to existing tenant build-out, same use-office, on the 5th floor as per plans.

Monthly maintenance permit for august 2016

Furnish and install 12 quad receptacles in existing space.

Change of contractor

Voice data 56th floor

Communications cabling in reference to permit #100536140

Interior alterations in existing office building to the office space on the 40th floor as per plans. No plumbing work.

Interior alterations to existing 16th floor space, business occupancy as per plans (conditional permit subject field inspection)

Interior alteration to existing office space (no plumbing and no refrigeration)

Self cert: interior alterations to existing 12th floor office space as per plans. 15,2 sq. Ft.

Removal work only of existing non-load bearing interior gypsum board partitions, non-fire rated suspended acoustical ceilings, and lighting fixtures at the first floor, suite #5, comprising approx. 2,8 sq ft as per plans. No new work is included as a part of this contract.

Change plumber to sherman mechanical and hvac to state mechanical for permit 100378235

Security system work (trustwave) (03-9936)

Area of work 5 sq ft: replace cabinets in existing pantry in office space & flooring in 1 copy mail room- all work for 37th floor (no structural work no plumbing work)- all work same as existing

Interior alterations to 19th floor offices per plan

Security system work (nixon peabody) (13-8618)

Self-certification for interior alterations within existing office space on the 43rd floor of an existing commercial high building. The alterations include drywall partitions, paint, and wood flooring. Conditional permit subject to field inspection.

Self-cert. Project - interior alterations in existing office building to existing office space on the 46th and 47th floors to include partitions, pluming ventilation and electrical as per plans.

Change electrical contractor for permit# 100469543 to palos electric co., inc,. License# c25384

Install one illuminated sign to the interior facing the southwest elevation, to read: wintrust banking center

Install one illuminated sign to the interior wall facing the southwest elevation on madison to read: wintrust banking center.

Monthly maintenance permit - june 2016

Add voice data and audio visual devices in existing office space - 26th floor prm office space

Monthly maintenance permit - may 2016

Interior remodel of 6 sf at west madison; 26th floor;officestotal area 19,075 sf

Revision to permit #1006148 to change hvac contractor to competitive piping systems

Installation of security system, low voltage wiring

Voice data cabling & audio visual work (bessemer group) (19-9183) (09-9186)

Revision to permit # 1003506 to change hvac contractor

Concrete repiars only (5 sq. Ft.), penthouse level. No structural work. No grinding.

Self cert: interior alterations to existing 15th floor office space as per plans. Existing proposed use: e-business

Self certification review of interior build out 7,656 sf; 26th floor suites a and c. As per plans

Monthly maintenance permit april 2016

Install sound masking system on 7th floor for crowe chizek, tenant (3-4839)

Interior alterations to existing office space @ floors 36 & 43 - conditional permit subject to field inspection

Voice and data cabling for stifel & nicolaus at west madison. The work is being done on the 24th & 25th floors

Erect 1 scaffold from 4 14 16 to 4 14 17

Interior alterations to existing office space

Security system work (mcp alternative asset mgmt) (13-4555)

Audio visual work (sheppard mullin) (09-9127)

Security system, fl 44 (03-9743)

Installation of maglocks per sect.#13-160-269 on 24th (p) & 25th(p) fls. Ck#2138;500. 00.

Monthly maintenance permit - november 2016

Audio visual installation only on the 6 & 7th floors. Electrical, voice data & fire alarm by others

Interior alterations to existing 45th floor commercial office space.

Voice data cabling-6th fl (19-6349)

Self-cert: interior alterations to existing vacant tenant space on the first floor to accommodate new small assembly restaurant as per plans.

Interior alterations to existing office space on the 44th floor in existing office building per plans. Conditional permit subject to field inspection.

Ongoing critical fascade inspection activity focusing on a phased program to inspect entire fascade

Demolition of all interior non-load bearing walls. Removal of ceiling tile & grid. Removal of branch electrical distribution. No new electrical circuits. Removal of pantry sink. No new plumbing. H. V. A. C. Demolition of ducts & diffusers. No new h. V. A. C. Work. Removal of all abandoned low voltage wiring.

Monthly maintenance permit - july 2016

Remove existing partitions, finishes and ceiling grid in order to create a "white box" space for future lease as per plans

Interior buildout of an existing suite to accommodate the specific business functions of the new tenant. This work includes partitions relocation and construction, mechanical, electrical & plumbing work for offices and associated spaces per plans certified plans corrections: conditional permit subject to field inspections

Interior build-out of 2 sf mercantile convenience store on basement level of existing high rise. Includes minor architectural and electrical work and modifications to existing fire protection system.

Interior demolition to non load bearing partitions on floors 31-33 in an existing office building per plan.

Self-cert: interior demolition of existing office tenant spaces on 8th, 9th, and 10th floors.

Monthly maintenance permit for april 2017

Self certified new tenant build-out. Space will be used asa model office to be shown to potential future buildingtenants. Work includes partition, mechanical, electrical and plumbing work.

Self certified. Tenant build-out on 22nd floor of a 57th high rise. Existing use- office. New use- office. The tenant business is industrial sales. Work includes selective demolition, partition construction, mechanical, electrical and plumbing work.

Self cert: interior alterations to existing office space, floors 31-33, as per plan. Structural peer review included.

Revision to permit #100695245 to change the ventilation contractor to cooling equipment service, inc. & plumber to gehrett plumbing.

Installation of mag locks per sect#13-160-269 on flrs 31-33. Ck#22961;750. 00.

Installation of access control to new office space on floor 31-33. Cabling by others.

Erect 1 scaffold. 6 9 17 to 6 9 18

Self-cert: interior alterations to existing 8th, 9th & 10th floor office space to include addition of communicating stair between floors 9 & 10. Structural peer review included. Existing proposed use: business

Install cabling on 6th floor for crowe chizek, tenant (19-5194)

Data drops

Monthly maintenance permit - july 2017

Replacement of interior storefront and ceiling at the previously permitted lobby restaurant (permit #100680682). No change in occupancy. Current occupancy: c-2 small assembly, proposed occupancy: c-2 small assembly

Plumbing contractor change to south park plumbing, inc for permit # 100703812

Revision to permit #100680682 to change plumbing contractor to new image plumbing inc. And to change hvac contractor to ventric mechanical systems, inc.

Revision to permit #100680682 to change electrician of record to mohawk electric

Lv cabling for the private bank tenant on floors 8,9 & 10. Job# 391-630

Self-certification for the interior alterations to approximately 8,304 square feet of existing commercial office space on the 19th floor of an existing high rise building in the central business district. The current occupancy classification is "e" business and will remain "e" business.

Tenant build out on 31st, 32nd & 33rd fls (p). Ck#3240200;750. 00.

Install wiring for 24 speakers, 12 pos, 5 tvs and 3 wap.

Electrical maintenance

Monthly maintenance permit for october 2017

Self-certified tenant interior renovation of 45th floor of a 57 story high rise. Work includes construction of a new door and minor electrical and fire protection work.

Change of electrical contractor for elec. Permit # 100707346-change from: continental to- gurtz electric co.

Provide and install (2) cat 6 cables for data and (1) cat 5e cable for voice to (72) office locations. Provide and install (1) cat 6 cable to (6) wap locations. Price includes patch cords, terminating and testing end to end.

Self-cert: interior alterations to 4th floor office space as per plans. No change in use, e business

Fabrication & installation of audio visual equipment - low voltage

Sound masking system

Low voltage

The project described in these documents is an interior buildout of an existing suite to accommodate the specific business functions of the new tenant. This work includes partitions relocation and construction, mechanical, electrical & plumbing work for offices and associated spaces.

Install total of -98- low voltage cat 5e nonplenum cables.

Data cabling for work stations