INTRODUCTION:

Contact-free fixtures preserve water since the water can't be left running waste. The nonattendance of handless makes touchless sinks a significantly cleaner choice indeed (Westerkamp, 2005). Utilizing solely touchless fixtures spares water, cash, decreases vitality use and lessens microorganisms. Averting to contact a handle or press a catch extraordinarily diminishes the danger of getting E.coli contamination or other fecal-borne infection.

Programmed cleanser gadgets are likewise a smart thought since cleanser allocators are simply the subsequent thing individuals contact in the wake of assuaging themselves. A programmed hand dryer kills the requirement for paper towels and is one fewer article individuals must touch in the wake of washing their hands. The hand dryer may not distend multiple creeps from the divider in case it becomes a peril to the outwardly hindered. Sani stream asserts that their hand dryers cost 10% of the expense of paper towels (Air Delights, 2010). Paper towels can't be reused after use, so hand dryers are a considerably more ecologically amicable decision. For $179.99 each can buy a Bobrick Cub hand dryer (Air Delights, 2010).

An overwhelmingly touchless bathroom is anything but difficult to keep up. Since there are no paper towels, housekeeping doesn't have to supplant them or change the garbage sacks as frequently. There are modest green cleaners accessible that eliminate microbes however don't hurt the earth. Since there won't be a lot of surfaces in the bathroom that are contacted every now and again, littler volumes of milder cleaning synthetic concoctions might be utilized. White vinegar is antifungal and antibacterial, preparing soft drink assimilates smells, and Borax fills the two needs (Rsavy, 2006). All are significantly less harmful and noncorrosive than dye and other customary latrine bowl cleaners. These are simpler for individuals who have asthma, hypersensitivities and touchy to ordinary cleaning items. Green cleaning can be more reasonable than our present cleaners. A bathroom that limits microorganisms will make SASTRA University a more advantageous spot for understudies and workforce the same by shortening transferable ailments. Hand washing likewise is advanced as the most ideal approach to avoid MRSA, one of the anti-toxin safe "superbugs" (Alderson, 2009). The tidiness given by hand washing is gone once you contact an item that gets a ton of "finger traffic, for example, the handle to the primary entryway of bathroom.

METHODOLOGY:

Low Flow Aerators:

Figure 1 –Low flow aerators for Sensor taps

It spares water up to 75% without trade-off on wash capacity. Lessens water bills, less water use results in less to reuse, lesser spend on treatment and siphoning cost. Aerators are appropriate for homes, condo, workplaces, school, universities, eatery, lodgings, inns, emergency clinics and air terminals. Stream Rate 4 lpm Liters Per Minute.

Touchless Faucets:

Figure 2 – Touchless faucets

The sensor fixtures don't have concurrent hot and cold handles/handles, so they are generally introduced to be utilized with virus water just, or with a discretionary blending valve, which fits under the sink/washbowl. The "contact-free" takes out a noteworthy wellspring of sullying of germs and is in this way clean to utilize. It's colossal Water-Saving chips away at Dual Power (Battery or AC Mains Plug-In) Sensor Faucet with Automatic Turn-On and an endless supply of hands from the sensor vicinity. All mechanical and electrical segments are contained in one secured controlling box to be fixed beneath the washbowl for simple establishment. Working Temperature: 0-75 degree Celsius. Can be powered with 4 AA Alkaline Batteries (Not Included) or 220volts AC Mains Electrical Outlet. For best durable outcomes use dura cell AA Size Batteries.

Auto flush Urinals:

Figure 3 – Infrared urinal flushers

In light of the global propelled solenoid valve innovation, setting the conclusion, sifting capacities in the whole copper valve. Low vitality utilization, battery worked and the life of battery more than 50,000 cycles; It is reasonable to air terminals, transport station, place of business and clinics, open spots especially.

EXPERIMENTAL ANALYSIS:

Figure 4 Measuring normal faucet water consumption per minute

A concise exploratory investigation has been experienced to check the achievability of supplanting the ordinary taps and urinals with sensor taps and urinals in our grounds. The quantity of fixtures and urinals information have been gathered and the expense acquired for putting in new segment has been discovered. Likewise, the expense for further issues and fixes have been added to check its common sensor.

Departmental Buildings Water Usage Details of Wash Room Faucets and Urinals

i Gnana Vihar – Training and placement is 8 and 16

ii Vidya Vihar – MCA Block is 8 and 15

iii Chith Vihar – School of Computing is 14 and 20

iv TIFAC Core – Research labs for computing is 10 and 13

v Anusandhan Kendra I – SASTRA Hub for Research and Innovation Phase -1 is 16 and 16

vi Anusandhan Kendra II – Research Centre for Nanomaterials is 16 and 16

vii Vishwa Karma Joth – School of Mechanical Engineering is 42 and 36

viii Vidyut Vihar – School of Electrical and Electronics Engineering is 24 and 22

ix Jiva Chaitanya – School of Chemical and Biotechnology is 46 and 32

x Nirman Vihar - School of Civil Engineering is 22 and 60

xi Chanakya – Law and MBA Block is 30 and 32

xii Saraswathi Sadan – Central Library is 8 and 16

xiii Central Animal house for Pre - clinical studies is 5

xiv SAT Vihar – Polytechnic Block is 50 and 15

xv Total number of faucets is 299 and urinals is 309

Boys and Girls Hostel Water Usage Details of Wash Room Faucets and Flushers

i Paramananda Vihar (4 in 1) is 48 and 6

ii Ananda Vihar (2 in 1) is 48 and 22

iii Rajalakshmi Vihar (3 in 1) is 12

iv Sandipani Sadan (4 in 1) is 32 and 16

v Kamadhenu – Annex (4 in 1) is 16 and 36

vi Vashista (4 in 1) is 8 and 8

vii HIG Quarters is 16

viii LIG Quarters is 12

ix MIG Quarters is 12

x Sadananda Vihar I (4 in 1) is 8

xi Sadananda Vihar II single is 24

xii Sadananda Vihar III (4 in 1) is 12

xiii Arundathi (2 in 1) is 32

xiv Akalya (4 in 1) is 24

xv Anusaya (5 in 1) is 12

xvi Mess, Canopy, Krishna canteen is 60

Total number of faucets is 376 and flushers is 88

Source of Water Consumption and its Daily Cost

a. Tanker Lorry is 98,000 liters/ day and cost/day is Rs.1,90,425

b. TWAD Board is liters/ day 423166.67 and cost/day is Rs.3,42,432

c. Bore Well is liters/ day 3,07,300 and cost/day is Rs.2,62,000

Total Water consumption in liters/ day is 8,28,466.6 and cost/day is 7,94,857

Pumping of Water from Different Bore Points and its Electricity Cost

1) Ananda Vihar daily Pumping (hours/day) is 6 and its Electricity cost/day is Rs.420

2) Paramananda Vihar daily Pumping (hours/day) is 2.5 and its Electricity cost/day is Rs.175

3) Quarters daily Pumping (hours/day) is 6 and its Electricity cost/day is Rs.420

4) Rajalakshmi Vihar daily Pumping (hours/day) is 1.5 and its Electricity cost/day is Rs.105

5) Vishwakarma Joth daily Pumping (hours/day) is 4.15 and its Electricity cost/day is Rs.294

6) Library daily Pumping (hours/day) is 1.45 and its Electricity cost/day is Rs.105

7) Sandipani Sadan daily Pumping (hours/day) is 3 and its Electricity cost/day is Rs.210

8) Chith Vihar daily Pumping (hours/day) is 1.45 and its Electricity cost/day is Rs.105

9) Krishna canteen and Canopy daily Pumping (hours/day) is 3 and its Electricity cost/day is Rs. 210

10) Nirman Vihar daily Pumping (hours/day) is 1.5 and its Electricity cost/day is Rs.105

11) Vani Vihar, Vidya Vihar daily Pumping (hours/day) is 3 and its Electricity cost/day is Rs.210

12) Jiva Chaitanya daily Pumping (hours/day) is 3 and its Electricity cost/day is Rs.210

13) Vidyut Vihar daily Pumping (hours/day) is 2.5 and its Electricity cost/day is Rs.175

14) Animal House daily Pumping (hours/day) is 1 and its Electricity cost/day is Rs.70

15) Anusandhan Kendra daily Pumping (hours/day) is 10.45 and its Electricity cost/day is Rs.40

16) Anusandhan Kendra daily Pumping (hours/day) is 21.5 and its Electricity cost/day is Rs.100

17) Arundathi daily Pumping (hours/day) is 6 and its Electricity cost/day is Rs.420

18) Akalya daily Pumping (hours/day) is 5 and its Electricity cost/day is Rs.350

19) Anusaya daily Pumping (hours/day) is 2 and its Electricity cost/day is Rs.140

20) Sadananda Vihar 1 daily Pumping (hours/day) is 4 and its Electricity cost/day is Rs.280

21) Sadananda Vihar 2 daily Pumping (hours/day) is 4 and its Electricity cost/day is Rs.280

22) Sadananda Vihar 3 daily Pumping (hours/day) is 7 and its Electricity cost/day is Rs.490

23) New Hostel Daily Pumping (hours/day) is 4 and its Electricity cost/day is Rs.280

24) Kitchen Tank Daily Pumping (hours/day) is 7 and its Electricity cost/day is Rs. 735

25) Total daily Pumping (hours/day) is 81 and its Electricity cost/day is Rs. 5,929

Table – 1 Cost analysis for departmental buildings on wash room faucets

Departmental Blocks
Description	Ordinary Faucets	Touchless Faucets
Litres per tap per day	225	87.5
Hours of usage per tap per day	2	2
Days per year	180	180
Annual water usage (litres)	7,62,48,000	6,38,45,000
Reduce annual water usage by	-	1,24,03,000
Annual water cost*	7,31,98,080	6,12,91,200
Annual savings*	-	1,19,06,880

Table – 2 Cost analysis for departmental buildings and boys hostels on infrared flushers

Description	Manual Urinal flushers	Sensor Urinal flushers
Litres per flush	1.5	0.5
Flushes per hour	4	4
Hours per day	6	6
Water usage per day (ltrs)	3,573	1,191
Water usage per year (ltrs)	10,71,900	3,57,300
Water savings per year (ltrs)	-	7,14,600
Annual water cost	10,29,024	3,43,008
Annual water cost saving	-	6,86,016

RESULTS AND DISCUSSION:

So as to discover the cost-viability, a Theater in Trichy named as 'La films' has been examined. Where they have embraced touchless spigots and sensor urinals after the redesign of the structure. The innovation has been fruitful for as far back as 2 years with no imperfections

Table – 3 Cost analysis for boys and girls hostels on wash room faucets

Gents Washroom
	Ordinary Faucets	Touchless Faucets
Litres per minute	9.75	3.5
Hours of usage per tap per day	6	6
Days per year	300	300
Annual water usage (litres)	35,80,200	12,85,200
Reduce annual water usage by	-	22,95,000
Annual water cost*	34,36,992	12,33,792
Annual savings*	-	22,03,200
Ladies Washroom
	Ordinary Faucets	Touchless Faucets
Litres per minute	9.75	3.5
Hours of usage per tap per day	6	6
Days per year	300	300
Annual water usage (litres)	30,18,600	10,83,600
Reduce annual water usage by	-	19,35,000
Annual water cost*	28,97,856	10,40,256
Annual savings*	-	18,57,600

Despite the fact that we get water from TWAD Board, Tanker lorry and received water gathering framework for each building, we couldn't trap adequate amount of water from the drag wells. So we intended to embrace touchless taps and low stream aerators, which can lessen the stream rate per min and anticipate further wastage of water. So as to fulfill the extreme interest during summer, we are compelled to purchase water from the private lorry. This includes up more cost water bills. The reasonableness of embracing brilliant water framework additionally been considered for the harms and fixes because of breakages as a result of the perky idea of understudies. Understudies can be given a demo for how to utilize the items, to have a productive activity. Gradually this winds up regular for them and the same old thing.

Figure - 5 Graph showing comparison of old and new Faucets adoption

Table - 4 Water consumption comparison for normal installation and smart installation

S. No	Faucets	Before Installation	After Installation	Water Savings
S. No	Description	Water Consumption in liters	Water consumption in liters	per/year
1	Departmental Buildings	7,62,48,000	6,38,45,000	1,24,03,000
2	Boys Hostel	35,80,200	12,85,200	22,95,000
3	Girls Hostel	30,18,600	10,83,600	19,35,000
			Total	1,66,33,000
S. No	Urinals	Before Installation	After Installation	Total Savings
S. No	Description	Water Consumption in liters	Water Consumption in liters	Cost in rupees/year
1	Departmental Buildings	5,00,580	1,66,860	3,20,371.20
2	Boys Hostel	5,71,820	1,90,440	3,66,124.76
			Total	6,86,468.96

Table - 5 Cost comparison with normal installation and smart installation

S. No	Faucets	Before Installation	After Installation	Total Savings in Rs.
S. No	Description	Cost in rupees/year	Cost in rupees/year	per/year
1	Departmental Buildings	7,31,98,080	6,12,91,200	1,19,06,880
2	Boys Hostel	34,36,992	12,33,792	22,03,200
3	Girls Hostel	28,97,856	10,40,256	18,57,600
			Total	1,39,84,800
S. No	Urinals	Before Installation	After Installation	Total Savings
S. No	Description	Cost in rupees/year	Cost in rupees/year	Cost in rupees/year
1	Departmental Buildings	4,80,556.80	1,60,185.60	3,20,371.20
2	Boys Hostel	5,48,947.20	1,82,822.44	3,66,124.76
			Total	6,86,495.96

Figure –6 Graph showing comparison of old and new urinals adoption

INFERENCE:

The expense acquired for introducing smart water framework is Rs. 41,81,950. For further maintenance and deformities Rs. 1,30,000-rupee sum is considered. All cost out gross profit reserve funds of every year is Rs.1, 45, 41, 295.96 rupees. In the event that the measure of water squandered by an individual for day by day schedule exercises is determined by state average consumption of water in liters per day. The cost reserve funds could be more than the guidelines. Antimicrobial bathrooms are the method for what's to come. Despite the fact that the expense of programmed fixtures and urinals surpass those of their conventional partners, the expense merits the prizes of a cleaner, simpler to keep up bathroom and remain sound. Along these lines, it is emphatically prescribed to receive low stream aerators, sensor urinals and auto spigot which makes the grounds to remain solid and anticipate transmittable infections. Thus it can be received in urban and semi-urban places in a proficient and economical way.

REFERENCES:

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Received on 14.08.2019 Modified on 11.09.2019

Asian Journal of Management. 2020; 11(1):21-25.

DOI: 10.5958/2321-5763.2020.00004.9